Transformer device capable of circularly switching heat dissipation

Abstract

The utility model discloses a transformer device capable of circularly switching heat dissipation, which comprises a transformer body, a first fan, a second fan, a first power supply switch assembly, a second power supply switch assembly and a temperature control timing module, the second power supply switch assembly is connected with the second fan to form at least part of a second power supply branch, the temperature control timing module is connected with the first power supply switch assembly and the second power supply switch assembly, in the first control state, the first power supply switch assembly is closed, and the second power supply switch assembly is disconnected, and in the second control state, the temperature control timing module is connected with the first fan. In the first control state, the first power supply switch assembly is switched off, the second power supply switch assembly is switched on, and in the third control state, the first power supply switch assembly and the second power supply switch assembly are switched on; the design is reasonable in heat dissipation, the durability influence on the service life of the first fan and the second fan is reduced, the maintenance period is prolonged, the maintenance cost is reduced, and use is convenient and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a transformer device for circulating switching heat dissipation. Background Art

[0002] Existing transformer devices are equipped with thermostats and multiple cooling fans. When the temperature rises to the temperature threshold, the thermostat will control all cooling fans to start. However, in fact, under relatively low temperature conditions, only some fans need to be started to meet the cooling requirements. Only in a few relatively high temperature conditions, all fans need to be started at the same time to dissipate heat.

[0003] However, each fan has a limited service life. Controlling each fan to run continuously for a long time can easily lead to a reduction in the life of the fan, a short maintenance period for staff, and a waste of manpower. At the same time, during the maintenance process, the transformer needs to be shut down, affecting the normal operation of the power supply system. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a transformer device with cyclic switching heat dissipation, which can dissipate heat reasonably, extend the maintenance period, reduce the maintenance cost, and is convenient and reliable to use.

[0005] According to a first aspect of the utility model, a cyclic switching heat dissipation transformer device includes: a transformer body; a first fan and a second fan, both of which are arranged on the transformer body, and the first fan and the second fan can exhaust air to dissipate heat for the transformer body when started; a first power supply switch component and a second power supply switch component, the first power supply switch component is connected to the first fan to form at least part of the first power supply branch, and the second power supply switch component is connected to the second fan to form at least part of the second power supply branch; a temperature control timing module, which is used to detect the operating temperature of the transformer body and form a timing signal, and the temperature control timing module is respectively connected to the first power supply switch component and the second power supply The switch component is connected, and the temperature control timing module has at least a first control state, a second control state and a third control state. In the first control state, the first power supply switch component is closed and the second power supply switch component is disconnected. In the second control state, the first power supply switch component is disconnected and the second power supply switch component is closed. In the third control state, both the first power supply switch component and the second power supply switch component are closed; wherein, the temperature control timing module switches between the first control state and the second control state according to the timing signal, and the temperature control timing module switches between the third control state and the first control state or between the third control state and the second control state according to the operating temperature.

[0006] A transformer device for cyclic switching heat dissipation according to an embodiment of the utility model has at least the following beneficial effects:

[0007] In the utility model transformer device, the temperature control timing module enters the first control state or the second control state according to the operating temperature of the transformer body. In the first control state or the second control state, only the first fan or the second fan is started and operated separately to extract air and dissipate heat for the transformer body. At the same time, the temperature control timing module forms a timing signal. When the first control state is maintained for a certain period of time, the temperature control timing module is switched from the first control state to the second control state according to the triggering of the timing signal, so that the first fan is switched to the second fan after starting to run for a certain period of time. Similarly, when the second control state is maintained for a certain period of time, The temperature control timing module switches from the second control state to the first control state according to the triggering of the timing signal, so that the second fan switches to the first fan after starting to run for a certain period of time. When the operation of the transformer body is further improved, the temperature control timing module switches from the first control state or the second control state to the third control state, and the first fan and the second fan are started and run at the same time, increasing the heat dissipation rate of the transformer body. The design has reasonable heat dissipation, the first fan and the second fan will not run continuously for too long, and the impact on the durability of the service life is relatively reduced, which prolongs the maintenance period, reduces the maintenance cost, and is convenient and reliable to use.

[0008] According to some embodiments of the present utility model, the temperature control timing module includes a temperature control switch module and a timing switching module, the temperature control switch module includes a temperature control component and a first temperature control switch, the temperature control component is used to detect the operating temperature of the transformer body and control the closing or opening of the first temperature control switch according to the operating temperature, the timing switching module includes a timing control component, a first timing switch and a second timing switch, the timing control component forms a timing signal, the head end of the first temperature control switch is connected to the power supply, the tail end of the first temperature control switch is respectively connected to the head end of the first timing switch and the head end of the second timing switch, the tail end of the first timing switch is connected to the controlled end of the first power switch component, the tail end of the second timing switch is connected to the controlled end of the second power switch component, the timing control component controls the first timing switch to close and the second timing switch to open according to the timing signal to achieve the first control state, and the timing control component controls the second timing switch to close and the first timing switch to open according to the timing signal to achieve the second control state.

[0009] According to some embodiments of the present utility model, the temperature control switch module also includes a second temperature control switch, the head end of the second temperature control switch is connected to the tail end of the first timing switch, the tail end of the second temperature control switch is connected to the tail end of the second timing switch, and the temperature control component controls the second temperature control switch to close to achieve a third control state.

[0010] According to some embodiments of the utility model, the first power supply switch component includes a first relay coil and a first relay switch, and the first relay coil can drive the first relay switch to close when it is energized; the second power supply switch component includes a second relay coil and a second relay switch, and the second relay coil can drive the second relay switch to close when it is energized; the tail end of the first timing switch is connected to the head end of the first relay coil, and the tail end of the second timing switch is connected to the head end of the second relay coil; the first relay switch is connected to the first fan to form at least part of the first power supply branch, and the second relay switch is connected to the second fan to form at least part of the second power supply branch.

[0011] According to some embodiments of the utility model, the transformer device for cyclic switching heat dissipation also includes a first circuit breaker and a first cooperative switch that is switched on and off synchronously with the first circuit breaker, the first circuit breaker is connected in series with the first relay switch, the first end of the first cooperative switch is connected to the tail end of the first timing switch, and the tail end of the first cooperative switch is connected to the first relay coil.

[0012] According to some embodiments of the utility model, the transformer device for cyclic switching heat dissipation also includes a second circuit breaker and a second cooperative switch that is switched on and off synchronously with the second circuit breaker, the second circuit breaker is connected in series with the second relay switch, the head end of the second cooperative switch is connected to the tail end of the second timing switch, and the tail end of the second cooperative switch is connected to the second relay coil.

[0013] According to some embodiments of the utility model, the transformer device for cyclic switching heat dissipation also includes a synchronous circuit breaker, the head end of the synchronous circuit breaker is connected to the power supply, the tail end of the synchronous circuit breaker is respectively connected to the temperature control component, the timing control component and the head end of the first temperature control switch, the synchronous circuit breaker is opened and closed synchronously with the transformer body, when the transformer body starts, the synchronous circuit breaker is closed, the transformer body stops, and the synchronous circuit breaker is opened.

[0014] According to some embodiments of the utility model, the timing control component includes a timer, a timing switch and a third relay coil, the timing switch is connected to the third relay coil to form at least a part of the timing trigger branch, the head end of the synchronous circuit breaker is respectively connected to the timer and the timing trigger branch, one of the first timing switch and the second timing switch is a normally open relay switch, and the other of the first timing switch and the second timing switch is a normally closed relay switch, the third relay coil is energized to enable the normally open relay switch to switch to a normally closed state, and the third relay coil is energized to enable the normally closed relay switch to switch to a normally open state, the timer forms a timing signal and controls the timing switch to close or open according to the timing signal.

[0015] According to some embodiments of the utility model, a heat dissipation duct is provided in the transformer body, the heat dissipation duct has a plurality of air inlets, and the first fan and the second fan are arranged at the air inlets in a one-to-one correspondence.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a front view of one embodiment of the transformer device of the utility model;

[0019] Figure 2 A side view of one embodiment of the transformer device of the utility model;

[0020] Figure 3 This is a principle structure block diagram of one embodiment of the transformer device of the utility model;

[0021] Figure 4 This is an electrical control schematic diagram of one embodiment of the transformer device of the utility model.

[0022] Reference numerals:

[0023] Transformer body 100; first fan 200; first power supply switch assembly 210; first relay coil 211; first relay switch 212; second fan 300; second power supply switch assembly 310; second relay coil 311; second relay switch 312; temperature control timing module 400; temperature control switch module 410; temperature control assembly 411; first temperature control switch 412; second temperature control switch 413; timing switching module 420; timing control assembly 430; timer 431; timing switch 432; third relay coil 433; first timing switch 440; second timing switch 450; first circuit breaker 510; first coordination switch 520; second circuit breaker 610; second coordination switch 620; synchronous circuit breaker 700. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientations or positional relationships indicated by terms such as "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside", etc., are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1-Figure 4As shown, according to a first aspect of the utility model, a cyclic switching heat dissipation transformer device includes a transformer body 100, a first fan 200, a second fan 300, a first power supply switch component 210, a second power supply switch component 310 and a temperature control timing module 400. The first fan 200 and the second fan 300 are both arranged on the transformer body 100. The first fan 200 and the second fan 300 can both exhaust air for heat dissipation of the transformer body 100 when started. The first power supply switch component 210 is connected to the first fan 200 to form at least part of the first power supply branch, the second power supply switch component 310 is connected to the second fan 300 to form at least part of the second power supply branch, and the temperature control timing module 400 is used to detect the operating temperature of the transformer body 100 and form a timing signal. The module 400 is connected to the first power switch component 210 and the second power switch component 310 respectively, and the temperature control timing module 400 has at least a first control state, a second control state and a third control state. In the first control state, the first power switch component 210 is closed and the second power switch component 310 is disconnected. In the second control state, the first power switch component 210 is disconnected and the second power switch component 310 is closed. In the third control state, both the first power switch component 210 and the second power switch component 310 are closed; wherein, the temperature control timing module 400 switches between the first control state and the second control state according to the timing signal, and the temperature control timing module 400 switches between the third control state and the first control state or between the third control state and the second control state according to the operating temperature.

[0029] Among them, the transformer body 100 includes a shell and a transformer winding inside the shell. A heat dissipation duct is arranged in the shell. The heat dissipation duct can be directly connected to the space where the transformer winding is arranged to directly blow air and dissipate heat for the transformer winding. The transformer winding can also be arranged in the transformer oil. The wind shell of the heat dissipation duct is in heat exchange contact with the transformer oil to dissipate heat for the transformer oil. The heat dissipation duct has multiple air inlets, and the first fan 200 and the second fan 300 are arranged at the air inlets in a one-to-one correspondence. Therefore, when the first fan 200 and the second fan 300 are in operation, they will not cause mutual obstruction.

[0030] During use, both the first power supply branch and the second power supply branch can be connected to a power distribution network, and the power grid provides power for the first wind turbine 200 and the second wind turbine 300 to operate.

[0031] Specifically, there may be a plurality of first fans 200 and second fans 300, or they may also include a third fan and a fourth fan accordingly. The third fan and the fourth fan may operate individually or together with other fans.

[0032] like Figure 1 , 2As shown, the heat dissipation duct can be arranged around the transformer body 100, and the first fan 200 and the second fan 300 can be located above the side of the transformer body 100, so as to guide the external wind flow into the transformer body 100, thereby achieving heat dissipation.

[0033] In the transformer device of the present utility model, the temperature control timing module 400 enters the first control state or the second control state according to the operating temperature of the transformer body 100. In the first control state or the second control state, only the first fan 200 or the second fan 300 is started and operated separately to extract air and dissipate heat for the transformer body 100. At the same time, the temperature control timing module 400 forms a timing signal. When the first control state is maintained for a certain period of time, the temperature control timing module 400 is switched from the first control state to the second control state according to the triggering of the timing signal, so that the first fan 200 is switched to the second fan 300 after starting to run for a certain period of time. Similarly, when the second control state is maintained for a certain period of time, the temperature control timing module 400 is switched from the first control state to the second control state according to the triggering of the timing signal. The temperature control timing module 400 switches from the second control state to the first control state according to the triggering of the timing signal, so that the second fan 300 switches to the first fan 200 to start the operation after a certain period of time. When the operation of the transformer body 100 is further improved, the temperature control timing module 400 switches from the first control state or the second control state to the third control state, and the first fan 200 and the second fan 300 are started and run at the same time, increasing the heat dissipation rate of the transformer body 100. The present design has reasonable heat dissipation, the first fan 200 and the second fan 300 will not run continuously for too long, and the impact on the durability of the service life is relatively reduced, thereby extending the maintenance period, reducing the maintenance cost, and being convenient and reliable to use.

[0034] In some embodiments of the present invention, Figure 3 , 4As shown, the temperature control timing module 400 includes a temperature control switch module 410 and a timing switching module 420. The temperature control switch module 410 includes a temperature control component 411 and a first temperature control switch 412. The temperature control component 411 is used to detect the operating temperature of the transformer body 100 and control the closing or opening of the first temperature control switch 412 according to the operating temperature. The timing switching module 420 includes a timing control component 430, a first timing switch 440 and a second timing switch 450. The timing control component 430 forms a timing signal. The first end of the first temperature control switch 412 is connected to the power supply. The first temperature control switch The tail end of the switch 412 is respectively connected to the head end of the first timing switch 440 and the head end of the second timing switch 450, the tail end of the first timing switch 440 is connected to the controlled end of the first power switch component 210, and the tail end of the second timing switch 450 is connected to the controlled end of the second power switch component 310. The timing control component 430 controls the first timing switch 440 to close and the second timing switch 450 to open according to the timing signal to achieve the first control state, and the timing control component 430 controls the second timing switch 450 to close and the first timing switch 440 to open according to the timing signal to achieve the second control state.

[0035] Among them, in the power grid of the transformer, a low-voltage side power supply can be selected to power the temperature control switch module 410 and the timing switching module 420, etc. The first temperature control switch 412, the first timing switch 440 and the second timing switch 450 can all be relay switches. The temperature control component 411 and the timing control component 430 use magnetic drive to respectively control the on and off of the first temperature control switch 412, the first timing switch 440 and the second timing switch 450. The first temperature control switch 412, the first timing switch 440 and the second timing switch 450 can also be semiconductor switches. The temperature control component 411 and the timing control component 430 are connected to the corresponding switches to control the on and off of the first temperature control switch 412, the first timing switch 440 and the second timing switch 450 through electrical signals.

[0036] A time threshold may be set in the timing control component 430, such as 12 hours, 24 hours, etc. When the timing signal reaches the time threshold, the timing control component 430 switches between the first control state and the second control state, and clears the timing signal at the same time.

[0037] In some embodiments of the present invention, the temperature control switch module 410 also includes a second temperature control switch 413, the head end of the second temperature control switch 413 is connected to the tail end of the first timing switch 440, the tail end of the second temperature control switch 413 is connected to the tail end of the second timing switch 450, and the temperature control component 411 controls the second temperature control switch 413 to close to achieve a third control state.

[0038] The temperature control switch module 410 can be selected from a conventional temperature controller. The temperature controller can be composed of a processing chip with processing capability. A thermistor or a temperature sensor is arranged on the processing chip. The thermistor or the temperature sensor is arranged in the transformer body 100. The transformer body 100 runs and emits heat, so that the temperature of the environment where the thermistor or the temperature sensor is located changes, thereby forming a feedback temperature signal. A first temperature threshold and a second temperature threshold can be set in the temperature controller, and the second temperature threshold is higher than the first temperature threshold, such as Figure 4 As shown, when the operating temperature reaches the first temperature threshold and is lower than the second temperature threshold, the temperature control switch module 410 controls the first temperature control switch 412 to close and the second temperature control switch 413 to open. At this time, only any one of the first power supply switch component 210 and the second power supply switch component 310 is triggered to turn on, and any one of the first fan 200 and the second fan 300 is started. When the operating temperature is higher than the second temperature threshold, the temperature control switch module 410 controls the first temperature control switch 412 and the second temperature control switch 413 to close. At this time, the first power supply switch component 210 and the second power supply switch component 310 are triggered to turn on, and the first fan 200 and the second fan 300 are started.

[0039] In some embodiments of the present invention, Figure 4 As shown, the first power supply switch component 210 includes a first relay coil 211 and a first relay switch 212, and the first relay coil 211 is energized to drive the first relay switch 212 to close, the second power supply switch component 310 includes a second relay coil 311 and a second relay switch 312, and the second relay coil 311 is energized to drive the second relay switch 312 to close, the tail end of the first timing switch 440 is connected to the head end of the first relay coil 211, and the tail end of the second timing switch 450 is connected to the head end of the second relay coil 311, the first relay switch 212 is connected to the first fan 200 to form at least part of the first power supply branch, and the second relay switch 312 is connected to the second fan 300 to form at least part of the second power supply branch.

[0040] When the first temperature control switch 412 and the first timing switch 440 are closed, the first relay coil 211 is energized, thereby the first relay switch 212 can be attracted, and the first fan 200 can be powered on and started. When the first temperature control switch 412 and the second timing switch 450 are closed, the second relay coil 311 is energized, thereby the second relay switch 312 can be attracted, and the second fan 300 can be powered on and started.

[0041] In some embodiments of the present invention, Figure 4As shown, the transformer device for cyclic switching heat dissipation also includes a first circuit breaker 510 and a first cooperative switch 520 that is switched on and off synchronously with the first circuit breaker 510, the first circuit breaker 510 is connected in series with the first relay switch 212, the first end of the first cooperative switch 520 is connected to the tail end of the first timing switch 440, and the tail end of the first cooperative switch 520 is connected to the first relay coil 211.

[0042] The first circuit breaker 510 can be controlled to be on and off by the staff, and the first coordinated switch 520 is synchronized with the on and off of the first circuit breaker 510, that is, when the first circuit breaker 510 is closed, the first coordinated switch 520 is also closed, and when the first circuit breaker 510 is disconnected, the first coordinated switch 520 is also disconnected. Therefore, when the first fan 200 is repaired or replaced, the first circuit breaker 510 can be disconnected, thereby ensuring the safety of the maintenance personnel.

[0043] Similarly, in some embodiments of the utility model, the transformer device for cyclic switching heat dissipation also includes a second circuit breaker 610 and a second cooperative switch 620 that is synchronously turned on and off with the second circuit breaker 610, the second circuit breaker 610 is connected in series with the second relay switch 312, the head end of the second cooperative switch 620 is connected to the tail end of the second timing switch 450, and the tail end of the second cooperative switch 620 is connected to the second relay coil 311.

[0044] The second circuit breaker 610 can be controlled to be on and off by the staff, and the second cooperative switch 620 is synchronized with the on and off of the second circuit breaker 610, that is, when the second circuit breaker 610 is closed, the second cooperative switch 620 is also closed, and when the second circuit breaker 610 is disconnected, the second cooperative switch 620 is also disconnected. Therefore, when the second fan 300 is repaired or replaced, the second circuit breaker 610 can be disconnected to ensure the safety of the maintenance personnel.

[0045] In some embodiments of the utility model, the transformer device for cyclic switching heat dissipation also includes a synchronous circuit breaker 700, the head end of the synchronous circuit breaker 700 is connected to the power supply, the tail end of the synchronous circuit breaker 700 is respectively connected to the temperature control component 411, the timing control component 430 and the head end of the first temperature control switch 412, and the synchronous circuit breaker 700 is opened and closed synchronously with the transformer body 100. When the transformer body 100 starts, the synchronous circuit breaker 700 is closed, the transformer body 100 stops, and the synchronous circuit breaker 700 is opened.

[0046] The synchronous circuit breaker 700 can detect the start and stop status of the transformer body 100. When the transformer body 100 starts running, the synchronous circuit breaker 700 will also be closed, and the power supply will power the temperature control component 411 and the timing control component 430. The temperature control component 411 can detect the operating temperature of the transformer body 100 after being powered on, and the timing control component 430 can start timing after being powered on, and switch between the first control state and the second control state after reaching the time threshold.

[0047] Specifically, the timing control component 430 includes a timer 431, a timing switch 432 and a third relay coil 433. The timing switch 432 is connected to the third relay coil 433 to form at least a part of the timing trigger branch. The head end of the synchronous circuit breaker 700 is respectively connected to the timer 431 and the timing trigger branch. One of the first timing switch 440 and the second timing switch 450 is a normally open relay switch, and the other of the first timing switch 440 and the second timing switch 450 is a normally closed relay switch. When the third relay coil 433 is energized, the normally open relay switch can be switched to a normally closed state. When the third relay coil 433 is energized, the normally closed relay switch can be switched to a normally open state. The timer 431 forms a timing signal and controls the timing switch 432 to be closed or opened according to the timing signal.

[0048] Among them, the timer 431 can be selected from a conventional control chip with a timing function, and the timing switch 432 can be a device such as a semiconductor switch tube. When the timing signal reaches a time threshold, the timer 431 controls the timing switch 432 to switch the on-off state and clears the timing signal. When the timing switch 432 is closed and the third relay coil 433 is energized, the normally open relay switch can be switched to the normally closed state, and the normally closed relay switch can be switched to the normally open state. When the timing switch 432 is disconnected and the third relay coil 433 loses power, the normally open relay switch maintains the normally open state, and the normally closed relay switch is in the normally closed state.

[0049] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A transformer device with cyclic switching heat dissipation, characterized in that: include: Transformer body; The first fan and the second fan are both arranged on the transformer body, and the first fan and the second fan can exhaust air and dissipate heat for the transformer body when starting; A first power switch assembly and a second power switch assembly, wherein the first power switch assembly is connected to the first fan to form at least a portion of a first power supply branch, and the second power switch assembly is connected to the second fan to form at least a portion of a second power supply branch; A temperature control timing module, used to detect the operating temperature of the transformer body and form a timing signal, the temperature control timing module is connected to the first power switch component and the second power switch component respectively, and the temperature control timing module has at least a first control state, a second control state and a third control state. In the first control state, the first power switch component is closed and the second power switch component is disconnected. In the second control state, the first power switch component is disconnected and the second power switch component is closed. In the third control state, both the first power switch component and the second power switch component are closed; The temperature control timing module switches between the first control state and the second control state according to the timing signal, and the temperature control timing module switches between the third control state and the first control state or between the third control state and the second control state according to the operating temperature.

2. A transformer device with cyclic switching heat dissipation according to claim 1, characterized in that: The temperature control timing module includes a temperature control switch module and a timing switching module. The temperature control switch module includes a temperature control component and a first temperature control switch. The temperature control component is used to detect the operating temperature of the transformer body and control the closing or opening of the first temperature control switch according to the operating temperature. The timing switching module includes a timing control component, a first timing switch and a second timing switch. The timing control component forms a timing signal. The head end of the first temperature control switch is connected to the power supply, the tail end of the first temperature control switch is respectively connected to the head end of the first timing switch and the head end of the second timing switch, the tail end of the first timing switch is connected to the controlled end of the first power switch component, and the tail end of the second timing switch is connected to the controlled end of the second power switch component. The timing control component controls the first timing switch to close and the second timing switch to open according to the timing signal to achieve a first control state. The timing control component controls the second timing switch to close and the first timing switch to open according to the timing signal to achieve a second control state.

3. A cyclic switching heat dissipation transformer device according to claim 2, characterized in that: The temperature control switch module also includes a second temperature control switch, the head end of the second temperature control switch is connected to the tail end of the first timing switch, the tail end of the second temperature control switch is connected to the tail end of the second timing switch, and the temperature control component controls the second temperature control switch to close to achieve a third control state.

4. A cyclic switching heat dissipation transformer device according to claim 2, characterized in that: The first power supply switch component includes a first relay coil and a first relay switch, and the first relay coil can drive the first relay switch to close when it is energized. The second power supply switch component includes a second relay coil and a second relay switch, and the second relay coil can drive the second relay switch to close when it is energized. The tail end of the first timing switch is connected to the head end of the first relay coil, and the tail end of the second timing switch is connected to the head end of the second relay coil. The first relay switch is connected to the first fan to form at least part of the first power supply branch, and the second relay switch is connected to the second fan to form at least part of the second power supply branch.

5. A cyclic switching heat dissipation transformer device according to claim 4, characterized in that: It also includes a first circuit breaker and a first cooperative switch that is turned on and off synchronously with the first circuit breaker. The first circuit breaker is connected in series with the first relay switch. The first cooperative switch has a head end connected to the tail end of the first timing switch, and the tail end of the first cooperative switch is connected to the first relay coil.

6. A cyclic switching heat dissipation transformer device according to claim 4, characterized in that: It also includes a second circuit breaker and a second cooperative switch that is turned on and off synchronously with the second circuit breaker. The second circuit breaker is connected in series with the second relay switch. The head end of the second cooperative switch is connected to the tail end of the second timing switch, and the tail end of the second cooperative switch is connected to the second relay coil.

7. A cyclic switching heat dissipation transformer device according to claim 2, characterized in that: It also includes a synchronous circuit breaker, the head end of which is connected to the power supply, the tail end of which is respectively connected to the temperature control component, the timing control component and the head end of the first temperature control switch, and the synchronous circuit breaker is opened and closed synchronously with the transformer body. When the transformer body is started, the synchronous circuit breaker is closed, the transformer body is stopped, and the synchronous circuit breaker is opened.

8. A cyclic switching heat dissipation transformer device according to claim 7, characterized in that: The timing control component includes a timer, a timing switch and a third relay coil. The timing switch is connected to the third relay coil to form at least a part of the timing trigger branch. The head end of the synchronous circuit breaker is respectively connected to the timer and the timing trigger branch. One of the first timing switch and the second timing switch is a normally open relay switch, and the other of the first timing switch and the second timing switch is a normally closed relay switch. When the third relay coil is energized, the normally open relay switch can be switched to a normally closed state, and when the third relay coil is energized, the normally closed relay switch can be switched to a normally open state. The timer forms a timing signal and controls the timing switch to be closed or opened according to the timing signal.

9. The transformer device with cyclic switching heat dissipation according to claim 1, characterized in that: A heat dissipation duct is arranged in the transformer body, and the heat dissipation duct has a plurality of air inlets, and the first fan and the second fan are arranged at the air inlets in a one-to-one correspondence.

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