Silicon controlled dipulse power supply
By employing unique modulation techniques and modular design, combined with the mother and daughter units' thyristors and heat dissipation system, the problems of limited application range and poor precision of thyristor pulse power supplies have been solved, achieving a high-precision and stable thyristor dual-pulse power supply.
Patent Information
- Application Number
- CN202423187252.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing thyristor pulse power supplies have a limited range of applications and poor precision at low currents, failing to meet high-precision requirements.
Employing unique modulation technology, the design of a thyristor dual-pulse power supply with digital control that automatically switches between large and small currents combines master and slave modular thyristors, uses dry-type isolation transformers and reactor modules to increase impedance and stability, and dissipates heat through heat sinks and fans.
It achieves high precision across the entire range of the output current of the thyristor dual-pulse power supply, broadening its application range, meeting high precision requirements, and improving the stability and flexibility of the power supply.
Smart Images
Figure CN223613236U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of silicon controlled pulse power supply, concretely relates to a silicon controlled double pulse power supply. BACKGROUND
[0002] The silicon controlled pulse power supply is generally applicable to gold plating, silver plating, nickel plating, tin plating and the like, can obviously improve the plating layer performance, in the related art, the conventional pulse power supply has single positive pulse and double positive and negative pulse power supply, the positive pulse opening width (T+) and the negative pulse opening time width (T-) can be adjusted respectively, the positive current, voltage regulation, negative current, voltage can be independently adjusted, but the full range of the silicon controlled pulse power supply cannot be guaranteed, the output precision is low, and the use range is relatively small, the precision is poor when the current is small, when facing the high-precision demand customer group of the silicon controlled pulse power supply output, the demand of the customer cannot be met. SUMMARY
[0003] Therefore, the utility model provides a silicon controlled double pulse power supply to solve the problem of small use range of the silicon controlled pulse power supply and poor precision when the current is small.
[0004] In a first aspect, the utility model provides a silicon controlled double pulse power supply, which comprises:
[0005] A cabinet;
[0006] A port module comprising an input end and an output end, the input end being provided on the outer wall of the cabinet and serving as the current input end of the power supply, and the output end being provided on the outer wall of the cabinet and serving as the current output end of the power supply;
[0007] A silicon controlled module arranged in the cabinet, the silicon controlled module comprising at least one first module and one second module, and the output current of the first module being greater than that of the second module;
[0008] An electric reactance module arranged in the cabinet and connected to the output end and the silicon controlled module.
[0009] The silicon controlled double pulse power supply of the utility model adopts a unique modulation technology, combines digital control of the first module and the second module, and automatically switches between large and small currents, so as to guarantee the full range of the output current of the silicon controlled double pulse power supply, improve the output precision, and widen the use range, thereby meeting the high-precision demand of customers and improving the range of the power supply current output and the range of power supply use.
[0010] In an alternative embodiment, the port module further comprises:
[0011] The dry isolation transformer is arranged in the cabinet, one end of the dry isolation transformer is connected with the input end, and the other end is connected with the first module and the second module respectively.
[0012] Beneficial effects: the dry isolation transformer can increase impedance, stabilize voltage, limit short-circuit current when short-circuit accident occurs at the load side, and improve the stability of power supply work.
[0013] In an alternative embodiment, the first module includes at least one master module type thyristor, and the second module includes at least one slave module type thyristor.
[0014] Beneficial effects: the number of master / slave module type thyristors is at least one, which provides a large current range for the power supply, and the combination of master module type thyristors and slave module type thyristors improves current accuracy.
[0015] In an alternative embodiment, the first module further includes a master busbar extending along the third direction and connected with the plurality of master module type thyristors, and adapted to converge currents of the plurality of master module type thyristors.
[0016] The second module further includes a slave busbar extending along the third direction and connected with the plurality of slave module type thyristors, and adapted to converge currents of the plurality of slave module type thyristors.
[0017] Beneficial effects: the master / slave busbar converges currents of the master / slave module type thyristors, which expands the output current range of the thyristor double-pulse power supply, improves output accuracy, and meets high-precision requirements.
[0018] In an alternative embodiment, the reactive module includes:
[0019] The master dry reactor is connected with the master busbar, the slave dry reactor is connected with the slave busbar, and the output end is connected with the master dry reactor and the slave dry reactor.
[0020] Beneficial effects: after the current is converged by the master / slave busbar, the load is output after passing through the master / slave dry reactor, which stabilizes working voltage, balances current, and improves the stability of power supply work.
[0021] In an alternative embodiment, the thyristor module further includes a heat sink arranged in the cabinet and adapted to dissipate heat inside the cabinet.
[0022] Beneficial effects: high temperature will not only cause power supply operation instability, short service life, and even possible to burn some components, the heat sink will absorb the heat generated by the double-pulse power supply, and then dissipate to the cabinet or outside the cabinet, to ensure the temperature of the power supply inside the cabinet is normal.
[0023] In an alternative embodiment, the heat sink has a heat sink plate extending along the second direction, and a plurality of heat dissipation fins extending away from the heat sink plate, the number of heat sinks is two groups, and the two groups of heat sinks are oppositely arranged along the first direction;
[0024] The mother machine module type thyristor and the child machine module type thyristor are respectively attached to the heat sink plates of one of the two groups of heat sinks, and the heat sink plates are arranged inside the cabinet, suitable for expanding the heat dissipation area;
[0025] The second direction is non-parallel to the first direction;
[0026] The third direction is perpendicular to the first direction and the second direction at the same time.
[0027] Beneficial effects: the heat sink plate provides support for the first module and the second module at the same time, absorbs the heat generated by the first module and the second module during operation through heat conduction, increases the surface area of the heat sink plate in contact with air, and improves the heat dissipation efficiency. After the heat sink plate absorbs heat, it dissipates heat in the form of heat conduction.
[0028] In an alternative embodiment, the cabinet comprises:
[0029] A fan is arranged on the outer wall of the cabinet;
[0030] A ventilation hole is provided on the outer wall of the cabinet, suitable for ventilating and cooling the heat sink and part of the internal space of the cabinet with the fan.
[0031] Beneficial effects: the airflow generated by the fan can speed up the circulation of air in the cabinet, increase the flow rate of air passing through the heat sink, and improve the efficiency of air heat conduction. The ventilation hole can ventilate and cool the cabinet interior with a higher temperature, and at the same time increase the speed of the airflow generated by the fan passing through the cabinet interior.
[0032] In an alternative embodiment, the cabinet further comprises: a touch screen, the outer wall of the cabinet is provided with a touch screen at least in part of the area.
[0033] Beneficial effects: the touch screen can control the size of the current in the power supply through digital control, switch at any time according to the working environment, and meet the precision requirements.
[0034] In an alternative embodiment, the cabinet further comprises:
[0035] The bracket is arranged in the cabinet, the bracket is connected with the silicon controlled module, one of the cabinet and the bracket is provided with a guide rail, and the other is provided with a guide groove, the guide rail and the guide groove are in sliding fit, so that the bracket is arranged in sliding fit relative to the cabinet.
[0036] Beneficial effects: the guide rail and the guide groove can make the silicon controlled pulse power more convenient and faster to install, and the silicon controlled module is detachable, so that maintenance and replacement are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0037] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0038] Figure 1 It is the front view of the silicon controlled double-pulse power cabinet of the utility model;
[0039] Figure 2 It is the rear view of the silicon controlled double-pulse power cabinet of the utility model;
[0040] Figure 3 It is the side view of the silicon controlled double-pulse power cabinet of the utility model;
[0041] Figure 4 It is the bottom view of the silicon controlled double-pulse power cabinet of the utility model;
[0042] Figure 5 It is the schematic view of one side of the silicon controlled module of the mother machine module type;
[0043] Figure 6 It is the schematic view of one side of the silicon controlled module of the sub-machine module type.
[0044] Explanation of reference signs:
[0045] 1, cabinet; 11, touch screen; 12, fan; 13, air vent; 14, bracket;
[0046] 2, port module; 21, dry isolation transformer; 22, input end; 23, output end;
[0047] 3, silicon controlled module; 31, first module; 311, silicon controlled module of mother machine module type; 312, mother machine busbar; 32, second module; 321, silicon controlled module of sub-machine module type; 322, sub-machine busbar;
[0048] 33, radiator; 331, heat dissipation plate; 332, heat dissipation fin;
[0049] 4, reactance module; 41, main machine dry-type reactor, 42, sub-machine dry-type reactor. DETAILED DESCRIPTION
[0050] 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 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 those skilled in the art without creative labor belong to the protection scope of the utility model.
[0051] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms 'center', 'upper', 'lower', 'left', 'right','vertical', 'horizontal', 'inner', 'outer' and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms 'first','second', 'third' are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0052] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms'mounting', 'connection', 'connection' should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0053] In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as there is no conflict.
[0054] The embodiments of the utility model will be described below in combination with Figures 1 to 6 The embodiments of the utility model.
[0055] According to the embodiments of the utility model, on the one hand, a silicon controlled double pulse power supply is provided, which comprises:
[0056] Cabinet 1;
[0057] Port module 2, comprising input end 22 and output end 23, input end 22 is opened in the outer wall of cabinet 1, which can be used as the current input end of the power supply, and output end 23 is opened in the outer wall of cabinet 1, which can be used as the current output end of the power supply;
[0058] The silicon controlled module 3 is arranged in the cabinet 1, and the silicon controlled module 3 comprises at least a first module 31 and a second module 32, and the output current of the first module 31 is greater than that of the second module 32.
[0059] The electric reactance module 4 is arranged in the cabinet 1, and the electric reactance module 4 is connected with the output end 23 and the silicon controlled module 3 respectively.
[0060] The cabinet 1 provides structural support for each module component, and the volume of the cabinet 1 can be increased or decreased according to the volume of the silicon controlled module 3.
[0061] Further, the input end 22 and the output end 23 of the port module 2 ensure the normal use of a general industrial power supply, and the silicon controlled module 3 can effectively input and output.
[0062] Further, the electric reactance module 4 can stabilize the output current of the silicon controlled module 3, improve the stability of the power supply under the premise of ensuring the working efficiency.
[0063] The silicon controlled double-pulse power supply can ensure the full-range output current of the silicon controlled double-pulse power supply, has high output precision, and has a wide use range, can meet the high-precision requirements of customers, does not rely on single silicon controlled pulse, improves the range of power supply current output, and widens the use range of the power supply.
[0064] In some embodiments, in combination with Figure 1 As shown in the drawings, the port module 2 further comprises:
[0065] The dry-type isolation transformer 21 is arranged in the cabinet 1, one end of the dry-type isolation transformer 21 is connected with the input end 22, and the other end is connected with the first module 31 and the second module 32 respectively.
[0066] The input current passes through the dry-type isolation transformer 21 after passing through the input end 22, the input end 22 is electrically connected with the dry-type isolation transformer 21, the dry-type isolation transformer 21 can increase impedance, stabilize voltage, limit short-circuit current when a short-circuit accident occurs on the load side, and the arrangement of the dry-type isolation transformer 21 improves the stability of power supply work.
[0067] Optionally, the dry-type isolation transformer 21 can be selected according to the working requirements.
[0068] In some embodiments, in combination with Figure 5 and Figure 6As shown, the first module 31 includes at least one master module type thyristor 311, and the second module 32 includes at least one slave module type thyristor 321.
[0069] The number of master / slave module type thyristors is at least one, which provides a large current range for the power supply, and the combination of master module type thyristors and slave module type thyristors improves the current accuracy.
[0070] Optionally, the master module type thyristors 311 and the slave module type thyristors 321 can be adjusted according to industry requirements and current range.
[0071] In some embodiments, in combination with Figure 5 and Figure 6 The first module 31 further includes a master busbar 312 extending along the third direction and connected with the plurality of master module type thyristors 311, and adapted to converge the currents of the plurality of master module type thyristors 311.
[0072] The second module 32 further includes a slave busbar 322 extending along the third direction and connected with the plurality of slave module type thyristors 321, and adapted to converge the currents of the plurality of slave module type thyristors 321.
[0073] The master / slave busbars converge the currents of the master / slave module type thyristors, which expands the output current range of the thyristor double-pulse power supply, improves the output accuracy, and meets the high-precision requirements.
[0074] Further, the plurality of master module type thyristors 311 and the plurality of slave module type thyristors 321 are respectively electrically connected with the dry-type isolation transformer 21, wherein each master module type thyristor 311 in the first module 31 is connected in parallel with each other, and each slave module type thyristor 321 in the second module 32 is connected in parallel with each other.
[0075] The number of master / slave module type thyristors is multiple, which expands the output current range of the thyristor double-pulse power supply, improves the output accuracy, and meets the high-precision requirements.
[0076] In some embodiments, in combination with Figure 2 As shown, the reactive module 4 includes:
[0077] The master dry-type reactor 41 is connected with the master busbar 312, the slave dry-type reactor 42 is connected with the slave busbar 322, and the output end 23 is connected with the master dry-type reactor 41 and the slave dry-type reactor 42.
[0078] The power supply current is input into the master module type thyristor 311 and the slave module type thyristor 321 after passing through the dry-type isolation transformer 21, the master / slave bus bars respectively converge the output currents of the master / slave module type thyristors, so that the output current range of the power supply is increased, and the master / slave bus bars output the load through the master / slave dry-type electric reactors after converging the currents, so that the working voltage is stabilized, the current is balanced, and the stability of the power supply working is improved.
[0079] In some embodiments, in combination with Figure 5 As shown in the figure, the thyristor module 3 further comprises a heat sink 33 arranged in the cabinet 1 and adapted to dissipate heat inside the cabinet 1.
[0080] High temperature not only causes the power supply to run unstably and the service life to be shortened, but also can even burn some components. The heat sink 33 absorbs the heat generated by the thyristor double-pulse power supply and then dissipates the heat to the inside or outside of the cabinet 1, so as to ensure that the temperature of the power supply inside the cabinet 1 is normal.
[0081] In some embodiments, in combination with Figure 5 As shown in the figure, the heat sink 33 has a heat sink plate 331 extending along a second direction and a plurality of heat dissipation fins 332 extending away from the heat sink plate 331, the number of the heat sink 33 is two groups, and the two groups of heat sink 33 are oppositely arranged along a first direction;
[0082] The master module type thyristor 311 and the slave module type thyristor 321 are respectively attached to the heat sink plate 331 of one of the two groups of heat sink 33, and the heat sink plate 331 is arranged inside the cabinet 1 and is adapted to expand the heat dissipation area;
[0083] The second direction is non-parallel to the first direction;
[0084] The third direction is perpendicular to the first direction and the second direction at the same time.
[0085] The heat sink plate 331 not only provides support for the first module 31 and the second module 32, but also absorbs the heat generated by the first module 31 and the second module 32 when working through heat conduction, increases the surface area of the heat sink plate 331 in contact with the air, improves the heat dissipation efficiency, and dissipates the heat in the form of heat conduction after absorbing the heat.
[0086] As an implementation form, the heat sink plate 331 can be arranged in a curved or linear shape, and is preferably linear, which is convenient for installation and processing.
[0087] In some embodiments, in combination with Figure 2 and Figure 4 As shown in the figure, the cabinet 1 comprises:
[0088] The fan 12 is arranged on the outer wall of the cabinet 1.
[0089] Vent holes 13 are arranged on the outer wall of the cabinet 1, and are suitable for being ventilated and cooled with the fan 12 to the radiator 33 and part of the internal space of the cabinet 1.
[0090] The air flow generated by the fan 12 can accelerate the circulation of air in the cabinet, accelerate the flow rate of air passing through the radiator 33, and improve the efficiency of air heat conduction. The arrangement of the vent holes 13 can ventilate and cool the high-temperature interior of the cabinet 1, and at the same time, increase the speed of the air flow generated by the fan 12 through the interior of the cabinet 1.
[0091] As an implementation form, the shape of the vent hole 13 can be selected as a circular hole or a grid hole.
[0092] In some embodiments, in combination with Figure 3 As shown, the cabinet 1 further comprises a touch screen 11, and the touch screen 11 is arranged on at least part of the area of the outer wall of the cabinet 1.
[0093] The touch screen 11 can control the size of the current in the power supply by digitization, and switch at any time according to the working environment to meet the accuracy requirement.
[0094] In some embodiments, in combination with Figure 2 As shown, the cabinet 1 further comprises:
[0095] A bracket 14 is arranged in the cabinet 1, the bracket 14 is connected with the silicon controlled module 3, one of the cabinet 1 and the bracket 14 is provided with a guide rail, and the other is provided with a guide groove, the guide rail and the guide groove are in sliding fit, so that the bracket 14 is arranged in sliding mode relative to the cabinet 1, the guide rail and the guide groove can make the installation of the silicon controlled pulse power more convenient and fast, and the silicon controlled module 3 is detachable, which is convenient for maintenance and replacement.
[0096] Generally, the cooperation mode of the bracket 14 and the cabinet 1 can be selected as bolt fixing, and the bolt connection structure can significantly improve the structural bearing capacity, has low maintenance cost, has high fixing strength of the silicon controlled module 3, avoids the influence of vibration or bumping on the silicon controlled module 3, and thus reduces the working efficiency.
[0097] As an implementation form, the connection mode of the silicon controlled module 3 and the bracket 14 can also be selected as plug-in or clamping.
[0098] Obviously, the above embodiments are only examples for clearly illustrating, and are not a limitation on the implementation. Although the embodiments of the utility model are described in combination with the drawings, those skilled in the art can make various modifications and changes without departing from the spirit and scope of the utility model, and such modifications and changes all fall within the scope defined by the utility model.
Claims
1. A silicon controlled double pulse power supply, characterized by, The utility model relates to a cabinet (1); Port module (2) including input (22) and output (23), the input (22) is opened in the outer wall of cabinet (1), can be used as the current input end of power supply, the output (23) is opened in the outer wall of cabinet (1), can be used as the current output end of power supply; SCR module (3) is arranged in the cabinet (1), and the SCR module (3) includes at least one first module (31) and one second module (32), and the output current of the first module (31) is greater than the second module (32); Reactive module (4) is placed in the cabinet (1), and the reactive module (4) is connected with the output (23) and the SCR module (3) respectively. The port module (2) further includes:
2. The silicon controlled double pulse power supply of claim 1, wherein, Dry-type isolation transformer (21) is arranged in the cabinet (1), one end of the dry-type isolation transformer (21) is connected with the input (22), and the other end is connected with the first module (31) and the second module (32) respectively. The first module (31) includes at least one mother machine module type SCR (311), and the second module (32) includes at least one child machine module type SCR (321).
3. The silicon controlled double pulse power supply of claim 1, wherein, The first module (31) further includes a mother machine busbar (312), which extends along a third direction and is connected with a plurality of mother machine module type SCRs (311), and is adapted to converge the currents of the plurality of mother machine module type SCRs (311); 4. The silicon controlled double pulse power supply of claim 3, wherein, The second module (32) further includes a child machine busbar (322), which extends along a third direction and is connected with a plurality of child machine module type SCRs (321), and is adapted to converge the currents of the plurality of child machine module type SCRs (321). The reactive module (4) includes:
5. The silicon controlled double pulse power supply of claim 4, wherein, Mother machine dry-type reactor (41) connected with the mother machine busbar (312); Child machine dry-type reactor (42) connected with the child machine busbar (322); The output (23) is connected with the mother machine dry-type reactor (41) and the child machine dry-type reactor (42) respectively. The SCR module (3) further includes:
6. The silicon controlled double pulse power supply of claim 4, wherein, A heat sink (33) arranged in the cabinet (1) and adapted to dissipate heat inside the cabinet (1). The heat sink (33) has a heat sink plate (331) extending along a second direction and a plurality of heat dissipation fins (332) extending away from the heat sink plate (331), the number of heat sinks (33) is two groups, and the two groups of heat sinks (33) are oppositely arranged along a first direction; 7. The silicon controlled double pulse power supply of claim 6, wherein, The mother machine module type SCR (311) and the child machine module type SCR (321) are respectively attached to the heat sink plate (331) of one of the two groups of heat sinks (33), and the heat sink plate (331) is arranged inside the cabinet (1) and adapted to expand the heat dissipation area; The second direction is not parallel to the first direction. The third direction is perpendicular to the first direction and the second direction.
8. The silicon controlled double pulse power supply of claim 7, wherein, The cabinet (1) comprises: A fan (12) is arranged on the outer wall of the cabinet (1); A vent (13) is arranged on the outer wall of the cabinet (1) and is adapted to ventilate and cool the radiator (33) and the inner space of the cabinet (1) by the fan (12).
9. A silicon controlled double pulse power supply according to any one of claims 1 to 8, characterized in that, The cabinet (1) further comprises: A touch screen (11) is arranged on at least a part of the outer wall of the cabinet (1).
10. The silicon controlled double pulse power supply of claim 1, wherein, The cabinet (1) further comprises: A bracket (14) is arranged in the cabinet (1), the bracket (14) is connected with the silicon controlled module (3), one of the cabinet (1) and the bracket (14) is provided with a guide rail, and the other is provided with a guide groove, the guide rail and the guide groove are in sliding fit, so that the bracket (14) is arranged in sliding relative to the cabinet (1).