CN219287755U

CN219287755U - Sensor semiconductor switching device

Info

Publication number: CN219287755U
Application number: CN202320564644.8U
Authority: CN
Inventors: 唐怡康; 黄德华; 李南坤
Original assignee: Bamac Electric Equipment Shanghai Co ltd
Current assignee: Bamac Electric Equipment Shanghai Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-06-30
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to a semiconductor switching device of an inductor, which relates to the technical field of semiconductors and comprises a controllable semiconductor switching structure, wherein the controllable semiconductor switching structure comprises at least three copper bars which are arranged at intervals, a semiconductor power tube which is sequentially arranged between two adjacent copper bars, and an insulating fixing piece which is fixedly connected with the copper bars. The utility model can be applied to various inductor heating requirements, and can realize the occasion that the semiconductor automatically controls and switches the inductor to work.

Description

Sensor semiconductor switching device

Technical Field

The utility model relates to the technical field of semiconductors, in particular to a semiconductor switching device of an inductor.

Background

When the conventional induction heating power supply works, as only one inductor is provided, inconvenience is generated for the situation that a plurality of workpieces need to be heated, one inductor can only heat the workpieces with corresponding sizes, a plurality of new inductors are needed to be purchased for heating the workpieces with various specifications, the inductors are needed to be manually removed when the workpiece specifications are changed, the new inductors are reinstalled and put into use, and the time cost and the workload are increased and the labor efficiency is reduced by the procedures.

Disclosure of Invention

The purpose of the utility model is that: the semiconductor switching device of the sensor can be applied to the requirements of automatically switching the sensor when workpieces with different specifications are heated, and the sensor can be automatically controlled to work through the control of a semiconductor power tube switch.

In order to achieve the above purpose, the technical scheme of the utility model provides an inductor semiconductor switching device, which comprises a switching structure of a semiconductor power tube, wherein the controllable semiconductor switching structure comprises at least three copper bars which are arranged at intervals, the semiconductor power tube which is sequentially arranged between two adjacent copper bars, and an insulating fixing piece which is fixedly connected with the copper bars.

Preferably, the insulating fixing member comprises a locking bolt sleeved with an insulating sleeve and a locking nut padded with an insulating gasket.

Preferably, the switching structure of the semiconductor power tube further comprises a plurality of water-cooling copper tubes arranged on the copper bars.

Preferably, a water joint is arranged at the end part of the water-cooling copper pipe.

Preferably, the semiconductor power tube further comprises a control circuit for controlling the switching structure of the semiconductor power tube.

Preferably, the control circuit comprises a relay for controlling the circuit by connecting the seat control signal with the semiconductor power tube.

Preferably, the control circuit comprises an indicator light.

Preferably, the control circuit comprises a three-core navigation socket as an external switching signal.

In summary, the utility model has the following beneficial technical effects:

the product can be applied to occasions with alternating induction heating requirements of various metal workpieces, and meets the requirements of customers on operation and process. The inductor is provided with the switching circuit controlled by the semiconductor, and has the advantage that the alternating operation of the multiple inductors can be realized through automatic control under the action of current.

The utility model relates to a semiconductor switching device of an inductor, which is used for induction heating occasions with various workpiece heating requirements. Unlike conventional induction heating devices, the semiconductor switching device can be provided with various inductors, and can switch proper inductors to work according to heating requirements through the current control of the relay and the semiconductor power tube. The conventional induction heating device can only be connected with one type of inductor, can not be switched among various types of inductors automatically, and can only be used for heating workpieces with different specifications by using the inductor connected to the induction heating device or manually replacing the inductor.

The utility model only needs one sensor semiconductor switching device, is provided with a plurality of sensors, and can realize the requirement of automatically switching and heating workpieces with different specifications by a plurality of different sensors. The production processes such as on-site installation operation are simplified, the operation is simplified, the safety guarantee is enhanced, and the service life of the equipment is prolonged.

Drawings

The utility model is exemplified by two inductors, and the drawings are as follows.

Fig. 1 is a diagram of an inductor-controlled semiconductor switching circuit according to the present utility model.

Fig. 2 is a schematic diagram of a control circuit of the sensor semiconductor switching device according to the present utility model.

Fig. 3 is a flow chart of the sensor semiconductor switching device of the present utility model.

Fig. 4 is an assembled front view and a side view of the controllable semiconductor water-cooled connection copper bar of the utility model.

FIG. 5 is a cross-sectional view of a controllable semiconductor water-cooled connecting copper bar A-A according to the present utility model.

FIG. 6 is a cross-sectional view of a controllable semiconductor water-cooled connecting copper bar B-B according to the present utility model.

Reference numerals: 1. a water joint; 2. water-cooling the copper pipe; 3. an insulating spacer; 4. a first copper bar; 5. a second copper bar; 6. an insulating sleeve; 7. a lock nut; 8. a locking bolt; 9. a third copper bar; 10. a semiconductor power tube.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model discloses an inductor semiconductor switching device which is applied to the requirements of switching and heating various workpieces of various inductors and can realize the occasion that the semiconductor automatically controls and switches the inductor to work.

Example 1:

the utility model can be applied to a plurality of sensor switching occasions, and two sensors are used for switching examples, and the implementation comprises a semiconductor switching structure connected with the sensors and a control circuit for controlling the semiconductor switching structure.

The controllable semiconductor switching structure comprises a first copper bar 4, a second copper bar 5 and a third copper bar 9 which are vertically arranged and are arranged at intervals, a semiconductor power tube 10 which is arranged between the first copper bar 4 and the second copper bar 5 and between the second copper bar 5 and the third copper bar 9, a locking bolt 8 and a locking nut 7 which are fixedly connected with the first copper bar 4, the second copper bar 5 and the third copper bar 9, and an insulating gasket 3 and an insulating sleeve 6 which are arranged between the locking bolt 8 and the locking nut 7 and used for insulation.

The installation of the controllable semiconductor switching structure is realized by arranging 3 copper bars in parallel and vertically, and fixedly connecting the copper bars with a locking nut 7 and a locking bolt 8, wherein an insulating sleeve 6 wraps the locking bolt 8, and an insulating gasket 3 is added between the locking nut 7 and the copper bars.

Example 2:

the controllable semiconductor switching structure of this embodiment adopts a controllable semiconductor water-cooling connection copper bar structure based on embodiment 1, and further includes three water-cooling copper tubes 2 respectively disposed on the first copper bar 4, the second copper bar 5 and the third copper bar 9, and a water joint 1 disposed at the end of the water-cooling copper tube 2.

The water-cooling copper pipe 2 is installed by the copper bar wall, and the water joint 1 is connected to serve as a device for cooling the copper bar. The semiconductor power tube 10 is arranged in the fixed space range of the copper bar and the locking bolt 8.

Example 3:

in this embodiment, on the basis of embodiment 1 or embodiment 2, the control circuit includes a relay as a control signal to connect the semiconductor power tube 10 for circuit control, and is equipped with a first inductor Coil1 and a second inductor Coil2 for corresponding operation of the indicator lamp, and a three-core navigation socket is installed as an external switching signal K1, so as to realize switching of the semiconductor controllable circuit, thereby realizing switching operation of the inductors. The semiconductor power tube 10 includes a first semiconductor power tube SCR1, a second semiconductor power tube SCR2, a third semiconductor power tube SCR3, and a fourth semiconductor power tube SCR4.

As shown in fig. 1, the working principle of the inductor semiconductor switching circuit structure disclosed in this embodiment is that the inductor semiconductor switching circuit structure is connected with the corresponding semiconductor power tube 10 through 4 connected control circuits, and is connected with a circuit loop of a resonant capacitor and an intermediate frequency transformer. The first inductor Coil1 and the second inductor Coil2 are structurally connected in series. After the control circuit is switched on, the current flows through the semiconductor power tube 10 under the action of the control circuit, and whether the first inductor Coil1 and the second inductor Coil2 are in short circuit or not is controlled through the semiconductor power tube 10, so that the work of switching the inductors is realized.

The switching control schematic diagram is shown in fig. 2, the power supply starts from the positive electrode, the three-core aviation socket is controlled to be connected with a first inductor Coil1 circuit through an external switching signal K1, a relay J11 participates in working, a normally open contact of the relay J11 is closed, a normally closed point is opened, the power supply flows through contacts of the relays J0 and J11 which are connected in series and is shunted through a parallel circuit, and a second inductor indicator lamp L2 corresponding to a second inductor Coil2 is lightened. And the circuit flows through the relay J1 to enable the normally open point of the relay J1 to be closed, and the circuit flows. And the closed loop is formed by connecting the normally closed contact of the relay J12 to COM and connecting the normally closed contact to the negative electrode of a power supply. The circuit forms a loop, the first inductor Coil1 is shorted, and the second inductor Coil2 operates. In addition, the switching external signal short-circuits the second inductor Coil2, lights the first inductor indicator lamp L1 corresponding to the first inductor Coil1, and the first inductor Coil1 works similarly.

The inductor semiconductor switching device designed by the utility model is provided with a plurality of inductors, and can switch the corresponding inductors to work by switching on current control through a relay and the semiconductor power tube 10. In this case, taking two inductors as an example, the fourth semiconductor power tube SCR4 is used to short-circuit the first inductor Coil1, and the second inductor Coil2 is enabled to participate in the operation, or the second semiconductor power tube SCR2 is used to short-circuit the second inductor Coil2, and the first inductor Coil1 is enabled to participate in the operation, so that the two inductors are alternately switched to achieve the heating purpose according to different heating requirements.

The sensor switching device is provided with the switching circuit controlled by the semiconductor, and has the advantage that the alternating operation of various sensors can be realized through the automatic control of the electric signals. The utility model designs a semiconductor switching device of an inductor, which can design the automatic switching among a plurality of corresponding inductors according to the heating requirements of workpieces with different specifications, realize the alternate work of the inductors and meet the switching heating requirements of the heated workpieces.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An inductor semiconductor switching device, characterized by: the semiconductor power tube comprises a controllable semiconductor switching structure, wherein the controllable semiconductor switching structure comprises at least three copper bars which are arranged at intervals, a semiconductor power tube (10) which is sequentially arranged between two adjacent copper bars, and an insulating fixing piece which is fixedly connected with the copper bars.

2. The sensor semiconductor switching device according to claim 1, wherein: the insulating fixing piece comprises a locking bolt (8) sleeved with an insulating sleeve (6) and a locking nut (7) padded with an insulating gasket (3).

3. The sensor semiconductor switching device according to claim 1, wherein: the controllable semiconductor switching structure further comprises a plurality of water-cooling copper pipes (2) arranged on the copper bars.

4. A sensor semiconductor switching device according to claim 3, wherein: the end part of the water-cooling copper pipe (2) is provided with a water joint (1).

5. The sensor semiconductor switching device according to claim 1, wherein: and a control circuit for controlling the controllable semiconductor switching structure.

6. The sensor semiconductor switching device according to claim 5, wherein: the control circuit comprises a relay for controlling the circuit by connecting a seat control signal with the semiconductor power tube (10).

7. The sensor semiconductor switching device of claim 6, wherein: the control circuit includes an indicator light.

8. The sensor semiconductor switching device according to claim 5, wherein: the control circuit comprises a three-core navigation socket as an external switching signal (K1).