CN215185142U - Cabinet type trigger circuit device - Google Patents
Cabinet type trigger circuit device Download PDFInfo
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- CN215185142U CN215185142U CN202121253446.7U CN202121253446U CN215185142U CN 215185142 U CN215185142 U CN 215185142U CN 202121253446 U CN202121253446 U CN 202121253446U CN 215185142 U CN215185142 U CN 215185142U
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Abstract
The utility model discloses a cabinet type trigger circuit device, which comprises a cabinet body, a control panel, an energy storage trigger device, a board card control circuit and a charging and discharging circuit; the cabinet body is divided into an upper cavity and a lower cavity which are parallel up and down by a metal baffle; the board card control loop is arranged in the upper cavity; the control panel is hinged in the lower cavity, and the energy storage triggering device and the charge-discharge loop are respectively installed in the lower cavity. The utility model discloses be independent of the assembly of high-speed electromagnetism mechanical switch to adopt metal baffle to separate the internal space of cabinet, metal baffle forms the shielding layer, protects the produced high tension current's of energy storage trigger device and charge-discharge circuit influence not in protection shield card control circuit, and the reliability is high.
Description
Technical Field
The utility model relates to a cabinet type trigger circuit device.
Background
The high-voltage direct-current circuit breaker is core equipment for constructing a multi-terminal flexible direct-current system, and the reliability and the economy of system operation can be effectively improved due to the existence of the high-voltage direct-current circuit breaker. The high-speed electromagnetic mechanical switch is used as an important component of the circuit breaker, and the trigger circuit provides required pulse current for the high-speed electromagnetic mechanical switch, so that the key point for ensuring the successful operation of the high-speed electromagnetic mechanical switch is achieved.
The trigger circuit device is often installed along with the position of a high-speed electromagnetic mechanical switch, the space of the trigger circuit device is very limited, in the existing trigger circuit device, all circuits and parts are inside a trigger circuit shell, signals can interfere with each other, the reliability is influenced, and the maintenance is quite difficult, if the maintenance and the debugging are needed, the trigger circuit needs to be detached independently, the whole shell is opened for maintenance, the maintenance and the debugging work efficiency are low, and the development of corresponding work is not facilitated.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a cabinet type trigger circuit device, it is independent of high-speed electromagnetic mechanical switch assembly to adopt metal baffle to separate the internal space of cabinet, metal baffle forms the shielding layer, protects the influence that protection shield card control circuit does not receive energy storage trigger device and the produced high tension current of charge-discharge circuit, and the reliability is high.
In order to solve the technical problem, the technical scheme of the utility model is that: a cabinet type trigger circuit device comprises a cabinet body, a control panel, an energy storage trigger device, a board card control circuit and a charging and discharging circuit; wherein the content of the first and second substances,
the cabinet body is divided into an upper cavity and a lower cavity which are parallel up and down by a metal baffle;
the board card control loop is arranged in the upper cavity;
the control panel is hinged in the lower cavity, and the energy storage triggering device and the charge-discharge loop are respectively installed in the lower cavity.
Further in order to facilitate the debugging in earlier stage and the maintenance in later stage, energy storage trigger device and charge-discharge circuit set up side by side around, and are located control panel's rear side, corresponding door is installed respectively to both sides around going up the cavity and both sides around the lower cavity.
Further, the charge-discharge loop comprises a charge loop and a discharge loop, and the energy storage trigger device comprises an energy storage capacitor; wherein the content of the first and second substances,
the charging loop is connected with the energy storage capacitor and is suitable for charging the energy storage capacitor;
the discharge loop is connected with the energy storage capacitor and is suitable for discharging the energy storage capacitor;
the energy storage capacitor is connected with the external coil through the thyristor and is suitable for supplying power to the external coil when the thyristor is conducted;
the board card control loop is connected with the thyristor and is suitable for controlling the thyristor to be conducted when a closing signal is received.
The specific structure of the charging circuit and the discharging circuit is further provided, the charging circuit comprises a charging power supply, the anode of the charging power supply is connected with the anode of the energy storage capacitor, and the cathode of the charging power supply is connected with the cathode of the energy storage capacitor;
the discharging circuit comprises a discharging resistor and a contactor, the discharging resistor and the contactor are connected in series to form a series circuit, one end of the series circuit is connected with the anode of the energy storage capacitor, and the other end of the series circuit is connected with the cathode of the energy storage capacitor.
Further in order to conveniently integrate the charge and discharge circuit, the charge and discharge circuit further comprises an installation plate, the installation plate is fixed on the back surface of the energy storage capacitor, and the charging power supply, the discharge resistor and the contactor are respectively fixed on the installation plate.
Further provides a concrete structure of control panel, including articulating the support panel on the cabinet body and installing on the support panel on the control panel:
a discharge button connected in series in a power supply loop of a coil of the contactor;
and/or a manual discharge device connected in parallel with the contactor;
and/or a voltmeter connected in parallel with the energy storage capacitor to measure the voltage in the energy storage capacitor;
and the opening and closing knob is connected with the background controller connected with the board card control circuit and is suitable for triggering the background controller to send a closing signal to the board card control circuit when the opening and closing knob is rotated to the opening and closing position.
There is further provided a concrete structure of a manual discharging apparatus, the manual discharging apparatus including:
an insulating base mounted on the support panel;
the two conductive metal blocks are arranged on the insulating base in parallel and are insulated from each other, one conductive metal block is electrically connected with one end of the contactor, and the other conductive metal block is electrically connected with the other end of the contactor;
the spring contact fingers correspond to the conductive metal blocks one by one, are arranged in the corresponding conductive metal blocks and are electrically contacted with the corresponding conductive metal blocks;
and the discharging rod is used for conducting the two spring contact fingers after the two spring contact fingers are inserted.
Further, in order to facilitate the electrical connection between the energy storage capacitor and other devices, the energy storage triggering device further comprises a support frame, a plurality of insulating beams and a plurality of pressing parts; wherein the content of the first and second substances,
the energy storage capacitor is arranged at the bottom of the lower cavity, the insulating beam is fixed on the supporting frame, and the press fitting piece is arranged on the insulating beam;
the thyristor and the plurality of copper bars are arranged in the press fitting piece in a pressing mode, one part of the copper bars are used for being connected with the energy storage capacitor, and the other part of the copper bars are used for being connected with the external coil.
The support frame comprises four vertical beams and two cross beams, each vertical beam is fixed on one vertical edge of the energy storage capacitor, each cross beam is connected between two opposite vertical beams, and the press-fitting pieces are fixed between the two cross beams in parallel.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the utility model discloses a cabinet type trigger circuit device is independent of the assembly of high-speed electromagnetism mechanical switch, has greatly reduced the degree of difficulty of overhauing and maintaining, the utility model discloses a board card control circuit belongs to the low pressure part, installs in the upper cavity, and energy storage trigger device and charge-discharge circuit belong to the high-pressure part, installs in lower cavity, and metal baffle forms the shielding layer, protects the board card control circuit not influenced by the high-voltage current that energy storage trigger device and charge-discharge circuit produced, and overall layout is reasonable, has improved the reliability of device;
2. the utility model discloses a cabinet type trigger circuit device's each part modularization, and install alone, if need overhaul or debug, open corresponding door and can debug and overhaul corresponding module, can change one of them device, needn't disassemble whole trigger circuit completely, improved the maneuverability of later stage's maintenance, realized the convenience that trigger circuit overhauld and debugs;
3. the utility model discloses still be provided with manual discharge device, energy storage electric capacity still accessible manual discharge device carries out the discharge operation to energy storage electric capacity under the unusual circumstances in return circuit that discharges, and then conveniently overhauls or other operations, and reliable and stable, and manual discharge device adopts discharge rod and spring to touch and indicate as the contact means of discharging, convenient operation, it is convenient to overhaul the installation.
Drawings
Fig. 1 is a schematic structural diagram of a cabinet type trigger circuit device of the present invention;
fig. 2 is a schematic structural diagram of the energy storage triggering device and the charge-discharge circuit of the present invention;
fig. 3 is a schematic structural diagram of the manual discharging device of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, 2 and 3, a cabinet type trigger circuit device comprises a cabinet body 1, a control panel, an energy storage trigger device 3, a board card control circuit 4 and a charging and discharging circuit; wherein the content of the first and second substances,
the cabinet body 1 is internally divided into an upper cavity and a lower cavity which are parallel up and down by a metal baffle 5;
the board card control circuit 4 is arranged in the upper cavity;
the control panel is hinged in the lower cavity, and the energy storage triggering device 3 and the charge-discharge loop are respectively installed in the lower cavity.
In this embodiment, the charging and discharging circuit includes a charging circuit and a discharging circuit, and the energy storage triggering device 3 includes an energy storage capacitor 31; wherein the content of the first and second substances,
the charging loop is connected with the energy storage capacitor 31 and is suitable for charging the energy storage capacitor 31;
the discharging loop is connected with the energy storage capacitor 31 and is suitable for discharging the energy storage capacitor 31;
the energy storage capacitor 31 is connected with the external coil through the thyristor and is suitable for supplying power to the external coil when the thyristor is conducted;
and the board card control loop 4 is connected with the thyristor and is suitable for controlling the conduction of the thyristor when receiving a closing signal.
In this embodiment, the external coil is a coil of a high-speed electromagnetic mechanical switch, and when the external coil is powered on, the high-speed electromagnetic mechanical switch is closed. The thyristor is connected with the external coil in series to form a circuit, one end of the circuit is connected with the positive electrode of the energy storage capacitor 31, and the other end of the circuit is connected with the negative electrode of the energy storage capacitor 31.
Specifically, the utility model discloses a cabinet type trigger circuit device is independent of the assembly of high-speed electromagnetism mechanical switch, greatly reduced the degree of difficulty of overhauing and maintaining, the utility model discloses an integrated circuit board control circuit 4 belongs to the low pressure part, installs in last cavity, and energy storage trigger device 3 and charge-discharge circuit belong to the high-pressure part, install in cavity down, and metal baffle 5 forms the shielding layer, and protection shield card control circuit 4 does not receive energy storage trigger device 3 and the produced high tension current's of charge-discharge circuit influence, and overall layout is reasonable, has improved the reliability of device.
As shown in fig. 1, for the convenience of debugging in the early stage and maintenance in the later stage, energy storage trigger device 3 and charge-discharge circuit set up side by side around, and lie in control panel's rear side, corresponding door is installed respectively to both sides around going up the cavity and both sides around the lower cavity.
In the present embodiment, an upper operation door 6 and a lower operation door 7 are installed on the front side of the cabinet 1 to be openable and closable, and an access door 8 is installed on the rear side of the cabinet 1 to be openable and closable. Energy storage trigger device 3 is located control panel's rear side, the charge-discharge circuit is located energy storage trigger device 3's rear side is opened down operating door 7, can operate control panel, turns away control panel, can overhaul and maintain energy storage trigger device 3, opens operating door 6, can overhaul maintenance board card control circuit 4, opens access door 8, can overhaul and maintain the charge-discharge circuit, and convenient saving trouble.
Specifically, the utility model discloses a cabinet type trigger circuit device's each part modularization to install alone, if need overhaul or debug, open corresponding door and can debug and overhaul corresponding module, can change one of them device, needn't disassemble whole trigger circuit completely, improved the maneuverability of the maintenance in later stage, realized the convenience that trigger circuit overhauld the debugging.
As shown in fig. 1, 2, and 3, the charging circuit includes a charging power source 91, wherein a positive electrode of the charging power source 91 is connected to a positive electrode of the energy storage capacitor 31, and a negative electrode of the charging power source 91 is connected to a negative electrode of the energy storage capacitor 31;
the discharging loop comprises a discharging resistor 92 and a contactor 93, the discharging resistor 92 and the contactor 93 are connected in series to form a series circuit, one end of the series circuit is connected with the anode of the energy storage capacitor 31, and the other end of the series circuit is connected with the cathode of the energy storage capacitor 31.
As shown in fig. 2, in order to facilitate integration of the charging and discharging circuit, the charging and discharging circuit further includes a mounting plate 94, the mounting plate 94 is fixed to the back surface of the energy storage capacitor 31, and the charging power source 91, the discharging resistor 92 and the contactor 93 are respectively fixed to the mounting plate 94.
As shown in fig. 2, the control panel includes a supporting panel 21 hinged on the cabinet 1 and mounted on the supporting panel 21:
a discharge button 22 connected in series in the power supply circuit of the coil of the contactor 93;
a manual discharge device 23 connected in parallel with the contactor 93;
a voltmeter 24, wherein the voltmeter 24 is connected in parallel with the energy storage capacitor 31 and is suitable for measuring the voltage of the energy storage capacitor 31;
and the switching-on and switching-off knob 25 is connected with a background controller connected with the board card control circuit 4, and is suitable for triggering the background controller to send a closing signal to the board card control circuit 4 when being rotated to a switching-on position.
In this embodiment, one end of the coil of the contactor 93 is connected to the positive electrode of the 24V power supply through the discharge button 22, and the other end is connected to the negative electrode of the 24V power supply.
Specifically, the discharge button 22 is arranged, so that the starting and stopping of the discharge can be conveniently and manually controlled, the arrangement of the voltmeter 24 is convenient for knowing whether the energy storage capacitor 31 is electrified or not, and the arrangement of the opening and closing knob 25 is convenient for manually triggering a closing signal.
As shown in fig. 3, the manual discharging device 23 includes:
an insulating mount 231 mounted on the support panel 21;
two conductive metal blocks 232 which are installed on the insulating base 231 in parallel and insulated from each other, one conductive metal block 232 is electrically connected with one end of the contactor 93, and the other conductive metal block 232 is electrically connected with the other end of the contactor 93;
the spring contact fingers 233 are coaxially arranged, the spring contact fingers 233 correspond to the conductive metal blocks 232 one by one, are arranged in the corresponding conductive metal blocks 232, and are electrically contacted with the corresponding conductive metal blocks 232;
and a discharging rod 234 for conducting the two spring fingers 233 after the two spring fingers 233 are inserted.
In this embodiment, the insulating base 231 is an epoxy base, the conductive metal block 232 is fixed on the insulating base 231 in an adhesive manner, the conductive metal block 232 is provided with a through hole, a clamping groove is formed in a peripheral wall of the through hole, and the spring contact finger 233 is clamped in the clamping groove.
In this embodiment, an insulating handle 235 is mounted at one end of the discharging rod 234 for the convenience of holding the discharging rod 234.
Specifically, the utility model discloses still be provided with manual discharge device, energy storage capacitor 31 still accessible manual discharge device 23 carries out the operation of discharging to energy storage capacitor 31 under the unusual circumstances in return circuit that discharges, and then conveniently overhauls or other operations, and is reliable and stable, and manual discharge device 23 adopts discharging rod 234 and spring to touch and indicate 233 as the contact means of discharging, convenient operation, it is convenient to overhaul the installation.
As shown in fig. 2, in order to facilitate electrical connection between the energy storage capacitor 31 and other devices, the energy storage triggering device 3 further includes a support frame, a plurality of insulating beams 32, and a plurality of pressing members 33; wherein the content of the first and second substances,
the energy storage capacitor 31 is mounted at the bottom of the lower cavity, the insulating beam 32 is fixed on the support frame, and the press-fitting part 33 is mounted on the insulating beam 32;
the thyristor and the plurality of copper bars are pressed in the pressing part 33, one part of the copper bars are used for connecting the energy storage capacitor 31, and the other part of the copper bars are used for connecting an external coil.
As shown in fig. 2, the support frame includes four vertical beams 34 and two cross beams 35, each vertical beam 34 is fixed on one vertical edge of the energy storage capacitor 31, each cross beam 35 is connected between two opposite vertical beams 34, and the press fitting parts 33 are fixed between two cross beams 35 in parallel.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A cabinet type trigger circuit device is characterized in that,
the energy storage and energy storage integrated circuit comprises a cabinet body (1), a control panel, an energy storage trigger device (3), a board card control loop (4) and a charging and discharging loop; wherein the content of the first and second substances,
the interior of the cabinet body (1) is divided into an upper cavity and a lower cavity which are parallel up and down by a metal baffle (5);
the board card control loop (4) is arranged in the upper cavity;
the control panel is hinged in the lower cavity, and the energy storage triggering device (3) and the charge-discharge loop are respectively installed in the lower cavity.
2. The cabinet type trigger circuit apparatus of claim 1,
the energy storage triggering device (3) and the charge-discharge loop are arranged in parallel from front to back and are positioned on the rear side of the control panel, and corresponding doors are respectively installed on the front side and the rear side of the upper cavity and the front side and the rear side of the lower cavity.
3. The cabinet type trigger circuit apparatus of claim 1,
the charging and discharging loop comprises a charging loop and a discharging loop, and the energy storage triggering device (3) comprises an energy storage capacitor (31); wherein the content of the first and second substances,
the charging loop is connected with the energy storage capacitor (31) and is suitable for charging the energy storage capacitor (31);
the discharging loop is connected with the energy storage capacitor (31) and is suitable for discharging the energy storage capacitor (31);
the energy storage capacitor (31) is connected with the external coil through the thyristor and is suitable for supplying power to the external coil when the thyristor is conducted;
the board card control loop (4) is connected with the thyristor and is suitable for controlling the thyristor to be conducted when a closing signal is received.
4. The cabinet type trigger circuit apparatus of claim 3,
the charging loop comprises a charging power supply (91), the anode of the charging power supply (91) is connected with the anode of the energy storage capacitor (31), and the cathode of the charging power supply (91) is connected with the cathode of the energy storage capacitor (31);
the discharging loop comprises a discharging resistor (92) and a contactor (93), the discharging resistor (92) and the contactor (93) are connected in series to form a series circuit, one end of the series circuit is connected with the anode of the energy storage capacitor (31), and the other end of the series circuit is connected with the cathode of the energy storage capacitor (31).
5. The cabinet type trigger circuit apparatus of claim 4,
the charge-discharge circuit further comprises an installation plate (94), the installation plate (94) is fixed on the back face of the energy storage capacitor (31), and the charging power supply (91), the discharge resistor (92) and the contactor (93) are respectively fixed on the installation plate (94).
6. The cabinet type trigger circuit apparatus of claim 4,
the control panel comprises a support panel (21) hinged on the cabinet body (1) and a switch installed on the support panel (21):
a discharge button (22) connected in series in the supply circuit of the coil of the contactor (93);
and/or a manual discharge device (23) connected in parallel with the contactor (93).
7. The cabinet type trigger circuit apparatus of claim 3,
the control panel comprises a support panel (21) hinged on the cabinet body (1) and a switch installed on the support panel (21):
a voltmeter (24), wherein the voltmeter (24) is connected with the energy storage capacitor (31) in parallel and is suitable for measuring the voltage of the energy storage capacitor (31);
and/or the opening and closing knob (25), wherein the opening and closing knob (25) is connected with a background controller connected with the board card control loop (4) and is suitable for triggering the background controller to send a closing signal to the board card control loop (4) when the opening and closing knob is rotated to a closing position.
8. The cabinet type trigger circuit apparatus of claim 6,
the manual discharging device (23) comprises:
an insulating base (231) mounted on the support panel (21);
the two conductive metal blocks (232) are arranged on the insulating base (231) in parallel and are insulated from each other, one conductive metal block (232) is electrically connected with one end of the contactor (93), and the other conductive metal block (232) is electrically connected with the other end of the contactor (93);
the spring contact fingers (233) are coaxially arranged, the spring contact fingers (233) correspond to the conductive metal blocks (232) one by one, are arranged in the corresponding conductive metal blocks (232), and are electrically contacted with the corresponding conductive metal blocks (232);
and a discharging rod (234) for conducting the two spring contact fingers (233) after the two spring contact fingers (233) are inserted.
9. The cabinet type trigger circuit apparatus of claim 3,
the energy storage triggering device (3) further comprises a support frame, a plurality of insulating beams (32) and a plurality of pressing parts (33); wherein the content of the first and second substances,
the energy storage capacitor (31) is arranged at the bottom of the lower cavity, the insulating beam (32) is fixed on the supporting frame, and the pressing piece (33) is arranged on the insulating beam (32);
thyristor and a plurality of copper bars are pressed in the pressure equipment (33), and a part of copper bars is used for connecting energy storage capacitor (31), and another part of copper bars is used for connecting external coil.
10. The cabinet trigger circuit apparatus of claim 9,
the support frame comprises four vertical beams (34) and two cross beams (35); wherein the content of the first and second substances,
each vertical beam (34) is fixed on one vertical edge of the energy storage capacitor (31), each cross beam (35) is connected between two opposite vertical beams (34), and the press-fitting parts (33) are fixed between the two cross beams (35) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121253446.7U CN215185142U (en) | 2021-06-02 | 2021-06-02 | Cabinet type trigger circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121253446.7U CN215185142U (en) | 2021-06-02 | 2021-06-02 | Cabinet type trigger circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215185142U true CN215185142U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121253446.7U Active CN215185142U (en) | 2021-06-02 | 2021-06-02 | Cabinet type trigger circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215185142U (en) |
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2021
- 2021-06-02 CN CN202121253446.7U patent/CN215185142U/en active Active
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