Multi-output pulse power supply

Abstract

The utility model relates to the technical field of pulse power supplies, and discloses a multi-output pulse power supply. The multi-output pulse power supply comprises a case and a plurality of power modules, the plurality of power modules are arranged in the case, each power module comprises a pulse generation circuit, a power conversion circuit, a control circuit, a protection circuit and a water cooling bar, the pulse generation circuit and the protection circuit are arranged on one side of the water cooling bar, and the power conversion circuit and the control circuit are arranged on the other side of the water cooling bar. The power conversion circuit is electrically connected with the input end of the pulse generation circuit, the control circuit is electrically connected with the pulse generation circuit and the power conversion circuit, and the protection circuit is also electrically connected with the pulse generation circuit and the power conversion circuit. According to the utility model, the pulse generation circuit, the power conversion circuit and the control circuit are monitored through the protection circuit, and when an abnormal condition or a fault occurs, output is cut off in time, so that each electrical part is protected from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to pulse power supply technical field, concretely relates to a kind of multi-output pulse power supply. BACKGROUND

[0002] Pulse power supply is a kind of power supply that can generate high voltage, short duration pulse current, and this kind of power supply is widely used in metal electroplating technical field.In the electroplating process, pulse power supply provides instantaneous high current density, so that metal ions are reduced under extremely high overpotential, thereby making the grain of deposition layer fine, and improving the efficiency of electroplating.Moreover, this process of fine-grained crystallization helps to improve the physical and chemical properties of the plating layer, such as hardness, corrosion resistance, wear resistance, etc.At the same time, the reverse pulse anodization dissolution and anodic stripping effect of pulse power supply helps to reduce the inclusion of organic impurities in the plating layer and improve the purity of the plating layer.In addition, in protective-decorative electroplating, pulse power supply can make the plating layer color uniform and consistent, with good brightness, enhancing the decorative and corrosion resistance of the plating layer.

[0003] The power module inside the pulse power supply is the key component that can convert and generate pulse current.Although the pulse power supply often provides air-cooled or water-cooled heat dissipation system for the power module for heat dissipation, when the heat dissipation system fails or the electrical components in the power module are overloaded, the pulse power supply cannot monitor the abnormal state in time, so the power module will continue to work and cause overheating, overloading and other faults, which may seriously affect the operation of the entire pulse power supply. SUMMARY

[0004] Therefore, the utility model provides a kind of multi-output pulse power supply to solve the problem that the existing pulse power supply cannot monitor the abnormal state in time when the heat dissipation system fails or the electrical components in the power module are overloaded, which may cause overheating, overloading and other faults of the power module, and may seriously affect the operation of the entire pulse power supply.

[0005] In the first aspect, the utility model provides a kind of multi-output pulse power supply, comprising:

[0006] A case;

[0007] A plurality of power modules are arranged in the case, and the power module comprises a pulse generation circuit, a power conversion circuit, a control circuit, a protection circuit and a water-cooled row, the pulse generation circuit and the protection circuit are arranged on one side of the water-cooled row, the power conversion circuit and the control circuit are arranged on the other side of the water-cooled row, the input end of the power conversion circuit and the pulse generation circuit is electrically connected, the control circuit is electrically connected with the pulse generation circuit and the power conversion circuit, and the protection circuit is electrically connected with the pulse generation circuit, the power conversion circuit and the control circuit.

[0008] Advantages

[0009] By setting the protection circuit to monitor the operation of the pulse generating circuit, the power conversion circuit and the control circuit, whether the water cooling row fails to cause each electrical component to overheat or the electrical component is overloaded, the protection circuit can cut off the output in time to stop the operation of each electrical component and prevent each electrical component from being damaged.

[0010] In an optional embodiment, four power modules are sequentially arranged along the length direction of the cabinet.

[0011] In an optional embodiment, a water joint is arranged on the water cooling row, and the water joint is in communication with the heat dissipation channel inside the water cooling row.

[0012] In an optional embodiment, the power module further comprises a load overlap output row, the load overlap output row is electrically connected with the output end of the pulse generating circuit, and the load overlap output row extends out of the cabinet.

[0013] In an optional embodiment, a power supply communication joint is arranged on the cabinet, and the power supply communication joint is electrically connected with the pulse generating circuit.

[0014] In an optional embodiment, a remote communication joint is arranged on the cabinet.

[0015] In an optional embodiment, the multi-output pulse power supply further comprises a general control module arranged in the cabinet, and the general control module is electrically connected with the control circuit.

[0016] In an optional embodiment, a program upgrade channel is arranged on the cabinet, and the program upgrade channel is electrically connected with the general control module.

[0017] In an optional embodiment, an indicator lamp is arranged on the cabinet.

[0018] In an optional embodiment, a handle is arranged on the cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0020] Figure 1 is a side view of the multi-output pulse power supply of the present application;

[0021] Figure 2 is another perspective view of the multi-output pulse power supply of the utility model from the shaft side;

[0022] Figure 3 is the shaft side view of the inside of the multi-output pulse power supply of the utility model;

[0023] Figure 4 is another perspective view of the inside of the multi-output pulse power supply of the utility model from the shaft side;

[0024] Figure 5 is the schematic view of the power module in the multi-output pulse power supply of the utility model;

[0025] Figure 6 is the schematic view of the other side of the power module in the multi-output pulse power supply of the utility model.

[0026] Explanation of reference signs:

[0027] 1, case;

[0028] 2, power module, 21, pulse generation circuit, 22, power conversion circuit, 23, control circuit, 24, protection circuit, 25, water cooling row, 26, water joint, 27, load lap joint output row;

[0029] 3, power supply communication joint;

[0030] 4, remote communication joint;

[0031] 5, general control module;

[0032] 6, program upgrade channel;

[0033] 7, indicator light;

[0034] 8, handle. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0036] The embodiments of the utility model will be described below in combination with Figures 1 to 6 .

[0037] According to the embodiment of the utility model, on the one hand, a kind of multiple output pulse power supply is provided.The multiple output pulse power supply includes: cabinet 1 and multiple power modules 2.Multiple power modules 2 are arranged in cabinet 1, and power module 2 includes: pulse generation circuit 21, power conversion circuit 22, control circuit 23, protection circuit 24 and water cooling row 25, pulse generation circuit 21 and protection circuit 24 are arranged on one side of water cooling row 25, power conversion circuit 22 and control circuit 23 are arranged on the other side of water cooling row 25, the input end of power conversion circuit 22 and pulse generation circuit 21 is electrically connected, control circuit 23 is electrically connected with pulse generation circuit 21 and power conversion circuit 22, and protection circuit 24 is electrically connected with pulse generation circuit 21, power conversion circuit 22 and control circuit 23.

[0038] As shown in Figure 1 、 Figure 2 , cabinet 1 is the box body of cuboid, including four side plates and two sealing plates.Cabinet 1 is internally provided with multiple power modules 2, and power module 2 can convert electric energy into pulse current output.Specifically, power conversion circuit 22 in power module 2 can convert input electric energy into the form of electric energy suitable for pulse generation circuit 21.Control circuit 23 can receive external control signal, and the working state of pulse generation circuit 21 is controlled by internal algorithm processing, so that the adjustment of output pulse parameter is realized.Pulse generation circuit 21 generates pulse current of specific frequency, amplitude and pulse width according to control signal.Protection circuit 24 monitors the working state of pulse generation circuit 21, power conversion circuit 22 and control circuit 23 at all times, and monitoring parameters include current, voltage, temperature and the like.When any circuit appears abnormal, output can be cut off in time, so that pulse generation circuit 21, power conversion circuit 22 and control circuit 23 are protected from damage.Pulse generation circuit 21, power conversion circuit 22, control circuit 23 and protection circuit 24 are respectively arranged on the two sides of water cooling row 25, and these electrical components are cooled by water cooling row 25, to ensure normal operation.

[0039] After setting protection circuit 24, pulse generation circuit 21, power conversion circuit 22 and control circuit 23 can be monitored and protected, and no matter water cooling row 25 fails to cause these electrical components to overheat or electrical components overload, output can be cut off in time, so that pulse generation circuit 21, power conversion circuit 22 and control circuit 23 stop working, to protect pulse generation circuit 21, power conversion circuit 22 and control circuit 23.

[0040] In one embodiment, four power modules 2 are sequentially arranged along the length direction of cabinet 1.

[0041] In the embodiment, as shown in Figure 2 、 Figure 3As shown, four power modules 2 are arranged in the cabinet 1, and are arranged in close proximity along the length direction of the cabinet 1. The arrangement of multiple power modules 2 can be flexibly combined and expanded, which improves the adaptability, reliability and maintainability of the pulse power supply. Of course, in other embodiments, the number and arrangement of the power modules 2 can be adjusted according to the use requirements and the space in the cabinet 1, and the present embodiment is not limited in particular.

[0042] In one embodiment, the water cooling row 25 is provided with a water joint 26, and the water joint 26 is in communication with the heat dissipation channel inside the water cooling row 25.

[0043] As shown in Figure 5 , Figure 6 , the water cooling row 25 is a plate-shaped structure, and has a heat dissipation channel inside. The cold water enters the heat dissipation channel from the water joint 26, and absorbs the heat emitted by the electrical components during circulation to cool and dissipate heat. Two water joints 26 can be arranged on the water cooling row 25 of each power module 2, one for water inlet and the other for water outlet. Of course, in order to simplify the structure, one water joint 26 can be arranged on the water cooling row 25 of one power module 2 at one end of the cabinet 1 for water inlet, and one water joint 26 can be arranged on the water cooling row 25 of one power module 2 at the other end of the cabinet 1 for water outlet. The heat dissipation channels of the water cooling rows 25 of adjacent power modules 2 are connected to each other. This arrangement reduces the use of water joints 26 and simplifies the pipeline arrangement. The present embodiment adopts this arrangement.

[0044] In one embodiment, the power module 2 further comprises a load overlap output row 27, which is electrically connected to the output end of the pulse generation circuit 21, and the load overlap output row 27 extends out of the cabinet 1.

[0045] The power module 2 is connected to the external device through the load overlap output row 27. Specifically, the load overlap output row 27 comprises two copper bars arranged at intervals, and one end of the copper bar extends out of the rear panel of the cabinet 1 for connecting external devices such as electroplating equipment.

[0046] In one embodiment, the multi-output pulse power supply further comprises a total control module 5 arranged in the cabinet 1, and the total control module 5 is electrically connected to the control circuit 23.

[0047] As shown in Figure 2 , Figure 3 , the total control module 5 is arranged above one power module 2 at the end of the cabinet 1. The arrangement of the total control module 5 can realize the control of each power module 2, so that the parameters of the output pulse can be adjusted according to the actual requirements to meet the requirements of different application scenarios.

[0048] In one embodiment, the cabinet 1 is provided with a power supply communication connector 3, which is electrically connected with the pulse generation circuit 21.

[0049] The power supply communication connector 3 is an input end of the pulse power supply, and is used for supplying commercial power to the power module 2. In the embodiment, the power supply communication connector 3 is arranged on the rear side plate of the cabinet 1.

[0050] In one embodiment, the cabinet 1 is provided with a remote communication connector 4.

[0051] The remote communication connector 4 is arranged to realize remote control of the pulse power supply.

[0052] In one embodiment, the cabinet 1 is provided with a program upgrade channel 6, which is electrically connected with the general control module 5. The program upgrade channel 6 is arranged to realize program upgrade of the power module 2.

[0053] In one embodiment, the cabinet 1 is provided with an indicator lamp 7.

[0054] The indicator lamp 7 is arranged to tell the working state in the pulse power supply to the staff by the color of the indicator lamp 7, so as to facilitate the staff to observe.

[0055] In one embodiment, the cabinet 1 is provided with a handle 8.

[0056] Specifically, two handles 8 are arranged at the two ends of the front side plate of the cabinet 1. The handles 8 are arranged to facilitate the staff to carry and move the pulse power supply. The number and arrangement position of the handles 8 can be adjusted, and the embodiment does not make specific arrangement.

[0057] Although the embodiments of the utility model are described in combination with the drawings, various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A multiple output pulsed power supply, characterized by, It includes: A cabinet (1); A plurality of power modules (2), a plurality of the power modules (2) are arranged in the cabinet (1), the power module (2) includes: pulse generation circuit (21), power conversion circuit (22), control circuit (23), protection circuit (24) and water cooling row (25), the pulse generation circuit (21) and the protection circuit (24) are arranged on one side of the water cooling row (25), the power conversion circuit (22) and the control circuit (23) are arranged on the other side of the water cooling row (25), the input end of the power conversion circuit (22) and the pulse generation circuit (21) is electrically connected, the control circuit (23) is electrically connected with the pulse generation circuit (21) and the power conversion circuit (22), the protection circuit (24) is electrically connected with the pulse generation circuit (21), the power conversion circuit (22) and the control circuit (23).

2. The multiple-output pulse power supply according to claim 1, wherein Four power modules (2) are arranged in sequence along the length direction of the cabinet (1).

3. The multiple-output pulsed power supply of claim 1, wherein, The water cooling row (25) is provided with a water joint (26), and the water joint (26) is communicated with the heat dissipation channel in the water cooling row (25).

4. The multiple-output pulsed power supply of claim 1, wherein, The power module (2) further includes a load overlap output row (27), the output end of the pulse generation circuit (21) is electrically connected with the load overlap output row (27), and the load overlap output row (27) extends out of the cabinet (1).

5. The multiple-output pulsed power supply of claim 1, wherein, The cabinet (1) is provided with a power supply communication joint (3), and the power supply communication joint (3) is electrically connected with the pulse generation circuit (21).

6. The multiple-output pulsed power supply of claim 1, wherein, The cabinet (1) is provided with a remote communication joint (4).

7. The multiple-output pulsed power supply of claim 1, wherein, It further includes a general control module (5) arranged in the cabinet (1), and the general control module (5) is electrically connected with the control circuit (23).

8. The multiple-output pulsed power supply of claim 7, wherein, The cabinet (1) is provided with a program upgrade channel (6), and the program upgrade channel (6) is electrically connected with the general control module (5).

9. The multiple-output pulsed power supply of claim 1, wherein, The cabinet (1) is provided with an indicating lamp (7).

10. The multiple-output pulsed power supply of claim 1, wherein, The cabinet (1) is provided with a handle (8).

Images