CN210628920U - High-voltage remote power supply equipment with active security function - Google Patents
High-voltage remote power supply equipment with active security function Download PDFInfo
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- CN210628920U CN210628920U CN201921569813.7U CN201921569813U CN210628920U CN 210628920 U CN210628920 U CN 210628920U CN 201921569813 U CN201921569813 U CN 201921569813U CN 210628920 U CN210628920 U CN 210628920U
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Abstract
The utility model discloses a high pressure remote power supply equipment with initiative security function, include: a plurality of groups of power converters; an electronic load electrically connected to the power converter through the back plate; a high voltage output section matched with the power converter; a cable termination box; a power distribution box; the bottom of the cabinet is provided with a bottom empty box; the power distribution box is configured to comprise a plurality of power outputs, and each power output is switched through a breaker to realize output state switching; each path of power supply output is divided into a main circuit breaker group and an auxiliary circuit breaker according to the current of the connecting equipment; the main circuit breaker is provided with a first mechanical lock; and a sliding plate is connected below the rotating rod of the first mechanical lock through a pivoted crank. The utility model provides a high pressure remote power supply unit with initiative security function, it can be through the structural design of power distribution box, becomes passive protection and protects for the initiative to have higher security performance.
Description
Technical Field
The utility model relates to a high voltage power supply field. More specifically, the utility model relates to a high pressure remote power supply equipment with initiative security function.
Background
The high-voltage remote power supply equipment is a constant-voltage or constant-current remote power supply system which inputs low-voltage direct current (such as +/-48V) or alternating current (such as-220V or-380V) and outputs direct-current voltage of thousands of volts or tens of thousands of volts and output power of kilowatts or tens of thousands of watts after power supply conversion. And because the direct current voltage output by the high-voltage remote power supply is very high, the safety hazard is very large, so that the live-line operation of maintenance personnel is strictly forbidden during equipment maintenance, and the electric shock accident is avoided, and the life health of the operation personnel is influenced.
And current high-pressure long-distance power supply equipment is when the overhaul of the equipments, its safety protection depends on the safety protection consciousness of getting operating personnel, can't realize the safety of initiative protection in order to guarantee operating personnel, realize the outage of each part of high-pressure power supply equipment through the circuit breaker usually among the prior art, in order to realize safety protection, nevertheless the operating condition of each handle is uncontrollable in its circuit breaker, and then can appear when the maloperation at the scene, take place the electric shock accident, cause the casualties, in order to stop the emergence of this phenomenon, this just need pass through the research in later stage, make high-pressure long-distance power supply equipment have safety arrangement, the initiative safety protection function when giving high-pressure long-distance power supply equipment to overhaul.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
The utility model discloses a high pressure remote power supply equipment with initiative security function, it can be through the structural design of power distribution box, through the structural design of first mechanical lock and slide, make the back extracted to the key in the first mechanical lock, the lock core of first mechanical lock then can not rotate, lead to the slide can not upwards slide again, the handle that just blocks the circuit breaker like this can not pull up, interlocking crank slide mechanism has just guaranteed just like this that maintenance equipment must close the main circuit breaker of power distribution box, become passive protection and be the initiative protection, in order to have higher security performance.
In order to achieve these objects and other advantages in accordance with the present invention, there is provided a high voltage remote power supply apparatus having an active security function, including:
a plurality of groups of power supply converters for converting low-voltage direct current or alternating current into kilovolt or tens of thousands of volt direct current high-voltage output;
the device is further electrically connected with a power converter through a back plate so as to detect the electronic load output by the equipment at high voltage;
the high-voltage output section is matched with the power converter to supply power to the cable;
the cable terminal box is used for connecting the positive and negative electrodes of the cable, the cable protection ground and the station ground;
the power distribution box supplies power to the electronic load, the power converter, the local control unit and the DCD I/O assembly box;
the bottom of the cabinet is provided with a bottom layer empty box which is connected with the high-voltage output section and the cable terminal box and can thoroughly disconnect the cable and the high-voltage output after being pulled out;
wherein the power distribution box is configured to include at least one set of input power sources, each set of input power sources being configured to employ multiple power outputs, each power output effecting switching of output states through a cooperating circuit breaker;
each path of power output is divided into a main circuit breaker and an auxiliary circuit breaker according to the current of the connecting equipment;
the main circuit breaker is provided with a matched packaging panel, and the packaging panel is provided with a first mechanical lock;
the lower part of the rotating rod of the first mechanical lock is connected with a sliding plate through a pivoted crank, and a sliding groove which can allow the sliding plate to slide up and down is oppositely arranged on the packaging panel, so that when the first mechanical lock rotates, the working state of the main circuit breaker is interfered through the up-and-down movement of the sliding plate.
Preferably, each power converter controls the output direction through a matched two-way high-voltage vacuum relay, supplies power to the electronic load upwards, and supplies power to the cable through a high-voltage output section downwards;
the panels of the power converters and the electronic loads are respectively provided with a first switch for switching the on-off state of the power.
Preferably, the cabinet comprises a rack and side plates detachably arranged on each side of the rack;
the electronic load, the power converter, the local control unit, the high-voltage output section and the bottom empty box are arranged on the front side of the frame through first sliding rails which are matched with each other;
the cable terminal box is arranged on the back of the rack through a second sliding rail, and the back of the rack is also provided with a high-voltage junction box, a power supply distribution box, a DCD I/O assembly box and a power supply input/high-voltage output junction box through a third sliding rail which is matched with the cable terminal box;
each part on the rack is detachably connected with the rack through a matched mounting screw, and a second switch connected with the DCD I/O assembly box for monitoring the state position of the mounting screw is arranged at the position of the rack matched with the mounting screw of each part;
the mounting screws on the panels corresponding to the power converter and the electronic load are also provided with a third switch for monitoring the position states of the power converter and the electronic load;
the DCD I/O assembly box is in communication connection with a local control unit, and the local control unit is in communication connection with high-voltage switch tubes and high-voltage vacuum relays of the power converters respectively.
Preferably, the high voltage output section is configured to include:
the upper section is used for carrying out tandem connection on the high voltage output by the plurality of groups of power converters to form a group of high voltage output, and carrying out polarity conversion, rectification filtering and measurement on the high voltage output;
the lower section is used for connecting the output high voltage with a cable, converting a cable protection ground and a station ground and measuring the voltage of the cable;
wherein the upper section is configured to include:
the first box body is provided with a polarity switch for performing polarity conversion on the output high voltage;
the hinge flip cover is used for packaging the installation position of the polarity switch, a measuring plate is arranged on one side, staggered from the polarity switch, of the inner side wall of the hinge flip cover, and a fourth switch for monitoring the opening state of the hinge flip cover is arranged;
and the second mechanical lock is arranged on the hinge flip.
Preferably, wherein the lower section is configured to include:
a switch drawer box and a test drawer box are arranged on a base of the second box body through a fourth slide rail;
the bracket is arranged in the second box body and corresponds to the switch drawer box and the test drawer box;
the first spring short-circuit device is arranged on the bracket and matched with the rear end of the test drawer box;
the switch drawer box and the test drawer box are respectively provided with a first six-core high-voltage plug and a second six-core high-voltage plug at one end matched with the bracket, and the bracket is respectively provided with a six-core high-voltage socket matched with the first six-core high-voltage plug and the second six-core high-voltage plug;
the six inner conductors in the first six-core plug are connected in pairs through a first high-voltage cable to form a group of high-voltage + and a group of high-voltage-and a group of fifth switches capable of detecting the position state of the switch drawer box through DCD I/O;
two inner conductors in the second six-core plug are respectively connected with two high-voltage sockets on the high-voltage connecting seat through second high-voltage cables, and the other two inner conductors are connected through a third high-voltage cable to form a sixth switch capable of detecting and testing the position state of the drawer box through DCD I/O;
the first spring short-circuit device is in contact with the test drawer box through the first ejector rod, so that when the resistance of the first ejector rod pulled out of the test drawer box is eliminated, all electrodes of the first spring short-circuit device are in contact with the metal reed after the spring is released, and the first spring short-circuit device is in short circuit; when the testing drawer box is pushed into the first ejector rod to jack, the electrodes of the first spring short-circuit device are driven to be completely separated from the metal reeds, and then short circuit is finished;
the first front plate on the switch drawer box is provided with a stop part extending from one end, which is in contact with the second front plate on the test drawer box, of the first front plate, the second front plate is provided with a clamping part extending from the position matched with the stop part, so that the second front plate and the stop part form a blocking structure in space, and the switch drawer box and the test drawer box are fixed through a third mechanical lock and a first compression handle which are arranged on the second box body respectively.
Preferably, the bottom empty box, the high-voltage output section and the cable terminal box are respectively connected and conducted in a blind plugging mode through the first rectangular connector and the second rectangular connector which are matched with each other;
the electronic load, the high-voltage plug and the power signal plug on the power converter respectively pass through the high-voltage plug and the power signal plug which are matched with each other on the back plate, so that the live blind plugging of the electronic load and the power converter is realized, and the movable hinge door is arranged above the installation position of the cabinet matched with the power converter and the power load;
wherein the first rectangular connector is configured to comprise a socket mounting seat arranged at the high-voltage output end and a plug mounting seat arranged on the bottom empty box;
the bottom layer hollow box is provided with an installation groove matched with the plug installation seat, so that the bottom layer hollow box is connected and matched with the high-voltage output section in space to form a blocking type structure;
the hinged door is configured to include: the door body is arranged on the rotating shaft;
and a rotary switch in communication connection with the DCD I/O component box is arranged on the rotating shaft.
Preferably, wherein the cable termination box is configured to include:
one side of the third box body is provided with a door body, and the other side of the third box body is provided with a current detection assembly;
the second spring short-circuit devices are respectively arranged in the third box body through mounting frames and correspond to the door body and the bottom empty box;
the door body is further fixed on the third box body through a second compression handle matched with the door body;
the second spring short-circuiting device is respectively contacted with the door body and the bottom empty box through the second ejector rods matched with each other, so that all of a cable, a cable-cable protection ground and a station ground on the spring short-circuiting device are short-circuited when the bottom empty box is pulled out and the door body is pulled out, and grounding protection is realized.
Preferably, the lock further comprises three sets of mechanical locks with different models, namely a set I, a set II and a set III;
wherein the set of one is configured to include: the third mechanical lock, the third mechanical lock and the fourth mechanical lock are respectively arranged on the power distribution box packaging panel, the lower section of the high-voltage output section and the test drawer box;
the second sleeve is configured to include: the hinge flip cover, the cabinet back door, the second mechanical lock, the fifth mechanical lock and the sixth mechanical lock are respectively arranged at the upper section of the output section;
the third set is configured to include a seventh mechanical lock in a test drawer box located at the lower section of the output section;
the first set, the second set and the third set are respectively unlocked through a first key, a second key and a third key which are matched with each other, when the equipment is in an operating state, the first key is configured on a third mechanical lock, the second key is configured in a switch drawer box at the lower section of the output section, and the third key is placed at a preset position.
The utility model discloses at least, include following beneficial effect: one of them, the utility model discloses a set up each part of high pressure remote power supply equipment for it can be with low pressure direct current (if 48V) or exchange (if 220V or 380V) transform into several kilovolts or several tens of thousands of volts's direct current high voltage output, upwards to the power supply of electronic load, downwards through the output section to the cable power supply, realizes the needs of distal end power supply.
Two, the utility model discloses a structural design of power distribution box, through the structural design of first mechanical lock and slide for the back is extracted to the key in the first mechanical lock, and the lock core of first mechanical lock then can not rotate, leads to the slide can not upwards slide again, just so blocks the handle of circuit breaker and can not pull on, and interlocking crank slider mechanism has just so guaranteed the main circuit breaker that the maintenance equipment must close power distribution box, changes passive protection to the initiative protection, in order to have higher security performance.
Thirdly, the utility model discloses a set up respectively on the mounting screw of each part of rack, the mounting screw on electronic load, the power converter panel and monitor the switch for the state monitoring of just, carry out the initiative monitoring to the positional information of equipment to when it breaks away from preset position, switch the operating condition of its part, so that it realizes the safety protection of initiative.
Fourthly, the utility model discloses a set up the spring short circuiter that corresponds respectively on high-voltage output section hypomere, cable terminal box to when the transform takes place in equipment unit position, change its connection status, ground connection state, under guaranteeing that it is in safe operational environment, realize the function of initiative protection.
Fifthly, the utility model has the advantages that through the structural design of a plurality of sets of locks on the parts, the corresponding parts are matched, so that certain interference is provided between the work flows between the structures, further the interlocking protection between the devices is realized, the original non-protection function is changed into the interlocking active protection, and the safety factor is better,
in a word, the utility model discloses a through various state monitoring switch, interlocking and spring short circuiter, DCD IO subassembly box, local control unit to and the combined action of devices such as shielding of power load, power converter backplate blind plug, activity hinge door, give one set of succinct, reliable safety arrangement of high-pressure far-reaching power supply equipment, thereby guaranteed the operation of high-pressure far-reaching power supply equipment, when overhauing initiative safety, stopped the dangerous emergence of electrocuting of electric shock.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic front structural view of a high-voltage remote power supply device with an active security function according to an embodiment of the present invention;
fig. 2 is a schematic back structural view of a high-voltage remote power supply device with an active security function according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the high-voltage remote power supply device with active security function according to an embodiment of the present invention, in which the rear door of the cabinet is removed;
fig. 4 is a schematic structural diagram of a power distribution box according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of the package panel of FIG. 4 mated with a first mechanical lock;
fig. 6 is a schematic structural diagram of a power converter according to an embodiment of the present invention;
fig. 7 is an exploded schematic view of a cabinet according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a high-voltage output section according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of the high-voltage output section when the hinge flip cover at the upper section is turned down according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a middle-lower section of a high-pressure output section of an embodiment of the present invention with a cover plate removed;
fig. 11 is a schematic view of the internal structure and the connection relationship of the high-voltage output section of the embodiment of the present invention when the lower section is in the operating state;
fig. 12 is a schematic view of the internal structure and the connection relationship of the high-voltage output section in an embodiment of the present invention when the lower section is in a maintenance state;
FIG. 13 is an enlarged view of a portion I of FIG. 12;
fig. 14 is a schematic view illustrating an internal structure and a connection relationship of the high-voltage output section in a lower measurement state according to an embodiment of the present invention;
fig. 15 is a schematic structural view of a bottom empty box according to an embodiment of the present invention;
fig. 16 is a schematic structural view of a matching relationship between the bottom empty box, the high voltage output section and the cable terminal box according to an embodiment of the present invention;
fig. 17 is a schematic structural view illustrating a movable hinge door falling after the power converter is pulled out of the cabinet according to an embodiment of the present invention;
fig. 18 is a schematic view of a drop-down configuration of a living hinge door according to an embodiment of the present invention;
fig. 19 is a schematic view of an external structure of a cable termination box according to an embodiment of the present invention;
fig. 20 is a perspective view of a cable termination box according to an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1-4 show an implementation form of a high-voltage remote power supply device with an active security function according to the present invention, which includes:
a multi-group power supply converter 1 for converting low-voltage direct current or alternating current into kilovolt or tens of thousands of volts of direct current high-voltage output can be composed of a plurality of power supply converters 10, 11 and 12, wherein the power supply converter is a core module of high-voltage remote power supply equipment and converts low-voltage direct current (such as +/-48V) or alternating current (such as-220V or-380V) into thousands of volts of direct current high-voltage output. The high-voltage output of the power converter can control the output direction through a two-way high-voltage vacuum relay, and supplies power to the electronic load upwards and supplies power to the cable downwards through the output section;
the high-voltage output of the detection equipment can be transmitted to the cable only after qualified high-voltage output is detected by the electronic load 2 of the detection equipment;
the high-voltage output section 3 is matched with a power converter to realize power supply to an output cable (cable for short), and plays a role in positive and negative polarity conversion, junction with the cable, measurement and switching in the high-voltage output process;
the cable terminal box 4 is used for connecting the positive and negative electrodes of the cable, the cable protection ground and the station ground;
a power distribution box 5 for supplying power to the electronic load, the power converter, and the local control unit 8;
the cabinet 6 for packaging the equipment components is provided with a bottom empty box 7 which is connected with a high-voltage output section and a cable terminal box and can thoroughly disconnect the cable and the high-voltage output after being pulled out, in particular, the high-voltage remote power supply equipment in the scheme comprises a cabinet, a power load, a power converter, a movable hinge door, a DCD I/O component box, a local control unit, a high-voltage output section, a bottom empty box, a power distribution box, a cable terminal box, a high-voltage junction box, a power input/high-voltage output junction box and other devices, the positions and the structural layout of all the components on the cabinet are shown in figures 1-3,
wherein the power distribution box is configured to include at least one set of input power sources, each set of input power sources being configured to employ multiple power outputs, each power output effecting switching of output states through a cooperating circuit breaker;
the main circuit breaker 50 and the auxiliary circuit breaker 51 are divided according to the current of the connected equipment by each power output
The main breaker is provided with a matched packaging panel 52, and the packaging panel is provided with a first mechanical lock 53;
the lower part of the rotating rod of the first mechanical lock is provided with a sliding plate 55 through a pivoted crank 54, and when the first mechanical lock is rotated, a sliding groove 56 which can be used for the sliding plate to slide up and down is oppositely arranged on a packaging panel, and the working state of the main circuit breaker is interfered through the up-and-down movement of the sliding plate. The main breaker output terminal 57 in the power distribution box controls large-current devices such as a power load and a power converter, and the sub-breaker controls small-current devices such as a DCD I/O module box and a local control unit. In general, the equipment must be serviced and the equipment must be powered down, i.e., the main circuit breaker of the distribution box must be closed. In order to ensure that the main circuit breaker of the distribution box is always in a closed state and prevent misoperation, the equipment is provided with a crank sliding plate mechanism with a lock, as shown in fig. 5. The slide plate can slide up and down by rotating the first key on the first mechanical lock.
When the main circuit breaker is opened, all handles of the main circuit breaker are pulled upwards, the first key on the first mechanical lock is rotated to an unlocking position, the sliding plate slides to the upper side, the key on the first mechanical lock cannot be pulled out of the lock, and subsequent interlocking action cannot be performed if the key in the lock cannot be pulled out.
When the main circuit breaker is closed, all handles of the main circuit breaker are pulled down, the first key on the first mechanical lock is rotated to the locking position, the sliding plate slides to the lower part, as shown in fig. 4, the first key on the first mechanical lock can be pulled out of the lock, and subsequent interlocking action can be carried out after the key in the lock is pulled out. And after the key in the lock is pulled out, the lock cylinder of the first mechanical lock can not rotate, so that the sliding plate can not slide upwards, the handle of the breaker can be clamped and can not be pulled upwards, and the interlocking crank sliding plate mechanism ensures that the maintenance equipment must close the main breaker of the power distribution box, and changes passive protection into active protection so as to have higher safety performance.
In another embodiment, as shown in fig. 6, each power converter controls the output direction through a matched two-way high-voltage vacuum relay (not shown), and supplies power to the electronic load upwards and supplies power to the cable downwards through a high-voltage output section;
the panel of each power converter and the panel of the electronic load are respectively provided with a first switch (not shown) for switching the power on-off state of the power converter, the power converter is a core module of the high-voltage remote power supply equipment, in order to ensure that the high-voltage remote power supply equipment does not end up outputting high voltage when the power converter fails, the power converter is usually subjected to hot backup, and the power converter with the failure can be replaced under the live condition. For the safety during replacement, the equipment is designed with a first safety guarantee measure: namely, an emergency switch is arranged on a panel of the power converter, and the power converter can be shut down by pressing the emergency switch to stop the high-voltage output of the local power converter; the safety of the maintenance state is ensured.
As shown in fig. 1-3 and 7, in another embodiment, the cabinet includes a rack 60 and side plates 61 detachably disposed on each side of the rack, the cabinet is a mounting rack for high-voltage remote power supply equipment and is also a main body of the safety protection device, and is composed of the rack, left and right side doors, a rear door and a top cover which are welded into a whole, wherein the left and right side doors, the rear door and the top cover are detachable during maintenance;
firstly, the output of high voltage of a power converter is controlled by a switch signal of a DCD I/O, and the high voltage output of the power converter can be closed as long as a local control unit detects that any one switch is not in an on-state;
secondly, controlling the receiving of the high voltage of the electronic load;
thirdly, the remote monitoring device is communicated with, the state information of the local equipment can be transmitted to the remote control device, and the local equipment can be controlled by receiving an instruction sent by the remote monitoring device;
the cable terminal box 4 is arranged on the back of the rack through a second slide rail 40, and the back of the rack is also respectively provided with a high-voltage junction box 91, a power distribution box 5, a DCD I/O assembly box 9, a power input/high-voltage output junction box 90, a power load, a power converter, a local control unit, a high-voltage output section and a bottom empty box which are similarly arranged on the front of the cabinet through a third slide rail which is matched with the third slide rail, and devices such as the power input/high-voltage output junction box arranged on a base on the back of the cabinet can be detached during maintenance;
each component on the rack is detachably connected with the rack through a matched mounting screw (not shown), and a second switch (not shown) which is connected with the DCD I/O component box to monitor the state position of the mounting screw is arranged at the position of the rack matched with the mounting screw of each component and is mainly used for detecting that the component is separated from the rack;
DCD IO subassembly box communication connection to local control unit, local control unit is communication connection to each power converter's high-voltage switch pipe and high-pressure vacuum relay respectively, in this kind of scheme, in order to prevent hot-line work when overhaul of the equipments, these can dismantle the part and all correspond a second switch for state monitoring (dabbing the switch) in the frame, dismantle these can dismantle the part, state monitoring switch just is in the state of opening circuit (dabbing the switch and stick up the handle and bounce off), DCD IO obtains this broken circuit information after-notice local control unit control power converter, close power converter's high-voltage switch pipe, the high-voltage output of breaking finally, send the information that "certain part has been dismantled, power converter has closed" to remote monitoring device simultaneously. When the detachable parts are installed, the state monitoring switch is in a path state (the warped handle of the tact switch is pressed down), the DCD I/O informs the local control unit to remove the closing of the high-voltage switch tube of the power converter after obtaining the path information, and simultaneously sends information of 'certain part is installed and the power converter is started' to the remote monitoring device;
the installation screw of the power converter and the electronic load panel is correspondingly provided with a third switch (not shown) for state monitoring, the state monitoring switch is in a circuit-breaking state as long as the installation screw is loosened, and the DCD I/O informs the local control unit to close the high-voltage switch tube of the power converter after collecting the circuit-breaking information, terminates the high-voltage output and simultaneously sends information that a certain power converter is closed to the remote monitoring device. The installation screw of the panel corresponds to a third switch for state monitoring and a movable hinge door is also arranged above the third switch, but the state detection switches are controlled by the DCD I/O and the local control unit, unlike the power converter and other detachable parts, and the objects of the state detection switches of the power converter and other detachable parts are controlled by the DCD I/O and the local control unit are the high-voltage switches of the power converter The tube, the control result is "off or on", and the electronic load is the corresponding high-voltage vacuum relay in the control power converter, the control result is "off or on"; other configurations may employ a similar third switch to monitor the panel or component condition.
In another embodiment, as shown in fig. 8-11, the high voltage output section is configured to include:
an upper section 310 for connecting the high voltages output by the multiple groups of power converters to form a group of high voltage outputs, and performing polarity conversion, rectification filtering and measurement on the high voltage outputs, wherein the upper section of the high voltage output section is mainly responsible for polarity conversion of the output high voltages, rectification filtering and measurement of the high voltages, as shown in fig. 8;
a lower section 320 for connecting the output high voltage to the cable, converting the cable protection ground to the site ground, and measuring the cable voltage, wherein the lower section of the high voltage output section is mainly responsible for connecting the output high voltage to the cable, converting the cable protection ground to the site ground, and measuring the cable voltage, and has a structure shown in fig. 10, and an internal structure and a connection relationship shown in fig. 11;
wherein the upper section is configured to include:
a first case 311 on which a polarity switch 312 for performing polarity conversion of an output high voltage is disposed;
the hinge flip cover 313 is used for packaging the installation position of the polarity switch, a measuring plate 314 is arranged on one side of the inner side wall of the hinge flip cover, which is staggered with the polarity switch, and a fourth switch 315 is used for monitoring the opening state of the hinge flip cover;
and the second mechanical lock 316 arranged on the hinge flip realizes active safety protection on the working state of the equipment through the cooperation of the fourth switch on the upper section and the fourth mechanical lock.
10-14 in another embodiment, the lower section is configured to include:
a second box 321, on the base of which a switch drawer box 322 and a test drawer box 323 are mounted through a fourth slide rail 328;
a bracket 324 disposed inside the second box and corresponding to the drawer opening and closing box and the drawer testing box;
a first spring short-circuiting device 325 mounted on the bracket and engaged with the rear end of the test drawer box, which is horizontally arranged in the drawing to show the connection relationship;
the ocean pole protection component 326 is arranged on one side of the test drawer box, the working state of the ocean pole protection component is switched through a matched pole-to-ground conversion switch 326(a), and in order to be matched with the six-core high-voltage connector 322(a) on the switch drawer test drawer box, the second box body is provided with a high-voltage input +321(a) and a high-voltage input-321 (b); in order to be matched with a six-core high-voltage connector 323(a) on the test drawer box, the second box body is provided with a high-voltage output +321(c) and a high-voltage output-321 (d) which are matched with each other; in order to match with a polar region conversion switch, a station region 321(e) and a cable protection region 321(f) which are matched with each other are arranged on the second box body, the polar region conversion switch is connected with the station region and is connected with the cable protection region through a cable protection region bus bar 321(g) to realize polar region conversion, the high-voltage output of the switch drawer box is respectively connected with the high-voltage output + and the high-voltage output-arranged on the test drawer box and the second box body through a matched high-voltage output-bus bar 321(h) and a high-voltage output + bus bar 321(i), and the connection of the respective ports of the switch drawer box can be realized through high-voltage cables;
the switch drawer box and the test drawer box are respectively provided with a first six-core high-voltage plug 322(b) and a second six-core high-voltage plug 323(b) at one end matched with the bracket, and the bracket is respectively provided with a six-core high-voltage socket 322(c) and a six-core high-voltage socket 323(c) matched with the first six-core high-voltage plug and the second six-core high-voltage plug;
the six inner conductors in the first six-core plug are connected in pairs through a first high-voltage cable to form a group of high-voltage + and a group of high-voltage-and a group of fifth switches capable of detecting the position state of the switch drawer box through DCD I/O;
two inner conductors in the second six-core plug are respectively connected with two high-voltage sockets on the high-voltage connecting seat through second high-voltage cables, and the other two inner conductors are connected through a third high-voltage cable to form a sixth switch (not shown) capable of detecting and testing the position state of the drawer box through DCD I/O;
the first spring short-circuiting device is in contact with the test drawer box through the first ejector rod 327, so that when the resistance of the first ejector rod pulled out of the test drawer box is eliminated, all electrodes of the first spring short-circuiting device are in contact with metal reeds (not shown) after the spring is released, and short circuit is caused; when the testing drawer box is pushed into the first ejector rod to jack, the electrodes of the first spring short-circuit device are driven to be completely separated from the metal reeds, and then short circuit is finished;
the first front plate on the switch drawer box is provided with a stop part 322(d) extending at one end contacted with the second front plate on the test drawer box, the second front plate is provided with a stop part 323(d) extending at a position matched with the stop part so as to form a blocking structure in space, the switch drawer box and the test drawer box are respectively fixed through a third mechanical lock 321(j) and a first compression handle 321(k) arranged on the second box body, and in the scheme, the core of the lower section of the high-voltage output section is two drawer boxes, namely the switch drawer box and the test drawer box. The two drawer boxes are arranged on the base through linear sliding rails, 6-core high-voltage plugs are arranged at the rear parts of the two drawer boxes, 6 inner conductors of the 6-core high-voltage plugs of the switch drawer boxes are connected in pairs through high-voltage cables to form three groups, one group is high-voltage +, the other group is high-voltage-, and the other group is a switch, so that the state of the switch drawer boxes can be detected by DCD I/O; two inner conductors in the 6-core high-voltage plug of the test drawer box are respectively connected with two high-voltage sockets on the high-voltage connecting seat through high-voltage cables, and then the two inner conductors are interconnected through the high-voltage cables to form a switch, so that the DCDI/O can detect the state of the test drawer box. The 6-core high-voltage plugs at the rear parts of the two drawer boxes respectively correspond to the 6-core high-voltage sockets on the bracket, and the two high-voltage plugs can be subjected to tolerance floating insertion. The rear part of the test drawer box is also corresponding to a spring short-circuit device ejector rod arranged on the bracket. When the test drawer box is pulled out, the resistance of the ejector rod is eliminated, the spring is released, and all electrodes of the spring short-circuit device are in contact with a metal reed to form a short circuit; and pushing the test drawer box, jacking the ejector rod, and driving all the electrodes of the spring short-circuit device to be separated from the metal reed to finish short circuit. The panels of the switching drawer box and the test drawer box are of the barrier design, i.e. the panel of the switching drawer box is outside and the panel of the test drawer box is inside, as shown in the partially enlarged view I in fig. 13. When the two drawer boxes are pushed in completely, the second mechanical lock on the panel at the lower section of the output section is locked, namely the drawer boxes are locked and opened, and meanwhile, the test drawer boxes are also locked; when the second mechanical lock on the panel at the lower section of the output section is unlocked, the first compression handle on the panel of the test drawer box is pulled, and the switch drawer box can be pulled out at the same time.
The three states of the switch drawer box and the test drawer box in the lower section of the high-voltage output section represent three states of the high-voltage remote power supply equipment, and the operation, the maintenance and the measurement.
(1) Operation: as shown in fig. 10 to 11, the switch drawer box and the test drawer box are both in a closed state, and at this time, the 6-core high-voltage connector plug and socket are connected, the high-voltage input is communicated with the high-voltage output, and the device is in an operating state.
(2) And (3) overhauling: as shown in fig. 12, when the switch drawer box and the test drawer box are all pulled out, and the high-voltage plug and the socket corresponding to the drawer box are disconnected, the high-voltage input and output are correspondingly disconnected; and meanwhile, the spring of the spring short-circuit device is released, and the electrodes connected with the high-voltage output plus (cable plus) and the high-voltage output- (cable plus) and the cable protection ground and the station ground on the short-circuit device are in contact with the metal reed to realize short circuit, thereby playing the role of grounding protection.
(3) Measurement: as shown in fig. 14, the switch drawer box is opened, the test drawer box is closed, and at this time, the 6-core high-voltage plug and the socket corresponding to the switch drawer box are disconnected, so that the high-voltage input and the high-voltage output are disconnected; however, a 6-core high-voltage plug and a socket corresponding to the test drawer box are connected, meanwhile, a spring short-circuiting device ejector rod is jacked up by the test drawer box, electrodes connected with a high-voltage output plus (a cable plus) and a high-voltage output plus (a cable minus) and a cable protection ground and a station ground are separated from metal reeds to finish short circuit, and then after a fourth mechanical lock and a seventh mechanical lock in the test drawer box are unlocked, the voltage of the cable can be measured through the two high-voltage sockets of the test drawer box.
In another embodiment, as shown in fig. 7, 15-18, the bottom empty box and the high-voltage output section and the cable terminal box are connected through a blind-plug connection of the first rectangular connector 70 and the second rectangular connector (not shown) which are matched with each other;
the high-voltage plug (not shown) and the power signal socket (not shown) on the electronic load and the power converter respectively pass through the high-voltage socket 64 and the power signal plug 65 which are matched with each other on the back plate 63, so that the live blind plugging of the electronic load and the power converter is realized, for safety, the electronic load and the power converter are connected with the cabinet in a back plate connecting mode, namely the high-voltage plug and the power signal socket of the electronic load and the power converter and the high-voltage socket and the power signal plug on the back plate can be in live blind plugging, so that the electronic load and the power converter are pulled out of the cabinet, the tail part of the electronic load and the power converter cannot be connected with the cabinet through a high-voltage wire, the danger of electric shock caused by manual plugging and unplugging of the high-voltage connector is avoided, the movable hinge door 66 is arranged above the installation position matched with the power converter and the power load on the cabinet, and an empty window is left, in order to prevent maintenance personnel from accidentally extending the handle into the hollow window to touch the high-voltage socket, after the electronic load and the power converter are pulled out of the cabinet, the plastic door of the movable hinge door arranged above the electronic load and the power converter automatically falls down to prevent the handle of the working personnel from extending into the cabinet;
wherein the first rectangular connector is configured to include a receptacle mount (not shown) disposed on the high voltage output, and a plug mount 71 disposed on the underlying hollow box;
the bottom layer hollow box is provided with a mounting groove 72 matched with the plug mounting seat, so that the bottom layer hollow box is connected and matched with the high-voltage output section in space to form a blocking type structure; as shown in fig. 15, the bottom empty box is a device for connecting the high-voltage output section and the cable terminal, and when the bottom empty box is pulled out from the cabinet, the cable and the high-voltage output can be completely disconnected, which is equivalent to a high-voltage isolating switch on the high-voltage remote power supply equipment. In order to facilitate the bottom empty box to be pulled out of the cabinet, the connection between the bottom empty box and the cabinet adopts a blind plugging mode of a rectangular high-voltage connector. In view of maintenance safety, the bottom empty box is a high-voltage isolating switch, so that the bottom empty box is pulled out of the cabinet to have priority, in order to reflect the priority, the connection and the matching of the bottom empty box and the high-voltage output section also adopt a blocking type design, namely a plug mounting seat of the bottom empty box can block a socket mounting seat at the lower section of the high-voltage output section, only after the bottom empty box is pulled out, the high-voltage output section can be pulled out of the cabinet, and the matching relation among the bottom empty box, the high-voltage output section and the cable terminal box is shown in fig. 16. Therefore, when the high-voltage output section is disassembled, the cable and the high-voltage output are completely disconnected, so that the safety when the high-voltage output section is disassembled is guaranteed, the second rectangular connector and the first rectangular connector are arranged on different side walls, so that the high-voltage output section is positioned above the bottom layer hollow box, the rear panel of the bottom layer hollow box is provided with the connector seat 73 which is matched with the cable terminal box, and the position of the connector seat 73 is set aside the position of the installation groove, so that the installation groove is mutually interfered in space, and the active safety protection is facilitated;
the hinged door is configured to include: a mounting frame 66(a) matched with the frame, a rotating shaft 66(b) arranged on the mounting frame and a door body 66(c) arranged on the rotating shaft;
the rotary shaft is provided with a rotary switch (not shown) in communication connection with the DCD I/O component box, the rotary shaft of the movable hinge door is provided with the rotary switch, the plastic door of the movable hinge door rotates to fall and turn up to enable the rotary switch to be in an open circuit state and a closed circuit state respectively, the DCD I/O informs the local control unit after collecting the open circuit and closed circuit information, and the local control unit sends information of 'removing a certain part from the cabinet' or 'installing a certain part into the cabinet' to the remote control.
19-20, in another embodiment, the cable termination box is configured to include:
a third casing 40 having a door 41 at one side thereof and a current detection assembly 42 at the other side thereof;
second spring short- circuit devices 45 and 46 which are respectively arranged in the third box body through mounting frames 43 and 44 and correspond to the positions of the door body and the bottom empty box;
the door body is further fixed on the third box body through a second compression handle 47 matched with the door body;
the second spring short-circuiting device is respectively contacted with the door body and the bottom empty box through the second ejector rods 48 and 49 which are matched with each other, so that the cable +, the cable-, the cable protection ground and the station ground on the spring short-circuiting device are all short-circuited when the bottom empty box is pulled out and the door body is pulled out, the ground protection is realized, the cable terminal box is a device for connecting the cable +, the cable-, the cable protection ground and the station ground, and a set of current detection device and two sets of spring short-circuiting devices are arranged in the cable terminal box. The top rods of the two sets of spring short-circuit devices respectively correspond to the bottom empty box and the quick repair movable door (fixed by two panel compression handles) on the panel, and the cable +, the cable-, the cable protection ground and the station ground on the spring short-circuit devices are all in short circuit when the bottom empty box is pulled out and the quick repair movable door is pulled out, so that the grounding protection effect is achieved.
As shown in fig. 4, 5, 8, 9, 10, and 11, in another embodiment, the lock further comprises three sets of mechanical locks of different models, wherein the set of mechanical locks comprises a set one, a set two, and a set three, and the high-voltage remote power supply equipment comprises three sets of mechanical locks of different models, the mechanical locks of the same model have the same lock core and the same key, and one key can unlock a plurality of locks; the mechanical locks of different models have different lock cylinders and inconsistent keys, and can not be unlocked mutually. Keys of all locks can be pulled out only in a locked state, and can not be pulled out in a non-locked state;
wherein the set of one is configured to include: three mechanical locks 53, 321(j) and 323(d) are respectively arranged on the power distribution box packaging panel, the lower section of the high-voltage output section and the test drawer box;
the second sleeve is configured to include: three hinge flip covers respectively arranged at the upper section of the output section, a second mechanical lock 316 in a cabinet back door and an output section lower section switch drawer box, a fifth mechanical lock 67 and a sixth mechanical lock 322 (e);
the third set is configured to include a seventh mechanical lock 323(e) in a test drawer box located at the lower section of the output section;
the first, second and third sets of keys are respectively unlocked by a first key 321(l), a second key 317 and a third key (not shown) which are matched, when the equipment is in an operating state, the first key is configured on the first mechanical lock, the second key is configured in a switch drawer box at the lower section of the output section, and the third key is placed at a preset position. In this scheme, each set of high-voltage remote power supply equipment only has three keys, wherein a first key and a second key are on the equipment, and a third key can be mastered by an equipment administrator. When the equipment is in an operating state, the first key is always in the first mechanical lock of the distribution box, and the second key is always hidden in the sixth mechanical lock in the switch drawer box at the lower section of the output section.
A method for performing interlocking protection by using high-voltage remote power supply equipment is configured to comprise the following steps when the high-voltage remote power supply equipment is overhauled:
s10, all handles on a main breaker on a power distribution box are configured to be in a pull-down turn-off state, a first key in a first mechanical lock on a packaging panel is rotated to drive a crank to stretch up and down through rotation of a lock cylinder, and further drive a sliding plate to move downwards, so that the sliding plate can just block each handle of the main breaker at the locking position of the first mechanical lock, each handle of the main breaker is in a dead locking state under the action of the sliding plate and cannot be pulled upwards, and the main breaker cannot be operated by mistake in the maintenance process of equipment;
s11, extract the first key on the first mechanical lock, with the third mechanical lock on the first key unblock high voltage output section hypomere, the cooperation is pulled first compression handle, pull switch drawer box and test drawer box are whole to be pulled out, and make the first six core high voltage plug that corresponds respectively on it after the two are pulled out and are put in place, the six core high voltage plug of second, be in off-state with the six core high voltage socket on the support, rotate the first key on the third mechanical lock and pin the switch drawer, and then make equipment be in the maintenance state, the characteristic of maintenance state is exactly:
(1) a main circuit breaker on a power distribution box of the device is in an open circuit state;
(2) the switch drawer box and the test drawer box on the lower section of the output section are all pulled out, so that high-voltage input and high-voltage output are automatically disconnected, and the cable +, the cable-and the cable protective ground and the station ground on the spring short-circuit device are all grounded and short-circuited, so that the equipment is automatically grounded and protected.
In another embodiment, an interlock protection method for cable high voltage test is configured to include:
s20, pulling out a first key on a third mechanical lock at the lower section of the high-voltage output section to unlock a fourth mechanical lock on a high-voltage connector seat in the test drawer box, further separating the high-voltage connector seat from the switch drawer box through the rotation of a lock left-handed screw of the fourth mechanical lock, and separating the high-voltage connector seat from the switch drawer box through the fourth mechanical lock, wherein the high-voltage connector seat and the switch drawer box are connected together through the lock left-handed screw of the fourth mechanical lock;
s20, taking the third key from a preset position to unlock the seventh mechanical lock in the test drawer box, so that the high-voltage connector seat slides to the rightmost side of the test drawer box under the action of the pressure spring, and the socket hole on the high-voltage connector seat is aligned with the test hole on the panel of the test drawer box;
s21, the test drawer box is pushed and closed by the first compression handle to carry out cable high-voltage test, the first compression handle is pulled after the test, after the cable high-voltage test is finished, the panel first compression handle is pulled only, so that the test drawer box slides out under the action of the ejector rod on the spring short-circuit device, the spring short-circuit device is in a short-circuit protection state, and the fourth mechanical lock and the seventh mechanical lock are locked again to enable the equipment to be in an overhaul state again;
when the hinged flip cover at the upper section of the rear door and the output section of the cabinet is opened for other operations, the interlocking protection method is configured to comprise the following steps:
s30, when the device is in an inspection state, if the hinged lid at the upper section of the output section and the rear door of the cabinet is to be opened, the second key in the switch drawer box needs to be removed, the sixth mechanical lock is locked by rotating the second key, and the second key is removed so that the switch drawer box cannot be pushed back, and the second key can be removed from the sixth mechanical lock. When the sixth mechanical lock is in a locking state, the high-voltage switch drawer box can not be pushed back, and only when the second key returns to the sixth mechanical lock, the locking of the sixth mechanical lock is released, and meanwhile, the locking of the sixth mechanical lock is released, and the high-voltage switch drawer can be pushed back;
and S31, opening the second mechanical lock on the hinge flip by using the second key, and opening the hinge flip at the upper section of the output section by taking off the second key to perform the related operation of the polarity switch or open the fifth mechanical lock on the back door to perform other operations. In this scheme, before opening the rack back door and carrying out other operations with output section upper segment hinge flip, through above-mentioned interlocking operation, make equipment be in maintenance state earlier, have better barrier propterty.
The event the utility model discloses mainly through various state monitoring switch, interlocking and spring short circuiter, DCD IO subassembly box, local control unit to and the combined action of devices such as shielding of power load, power converter backplate blind plug, activity hinge door, give one set of succinct, reliable safety arrangement of high-pressure long-distance power supply equipment, thereby guaranteed the operation of high-pressure long-distance power supply equipment, when overhauing initiative safety, stopped the dangerous emergence of electrocuteeing.
The above scheme is merely illustrative of a preferred embodiment, and is not intended to be limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. The application, modification and variation of the high-voltage remote power supply device with active security function and the interlock protection method of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (7)
1. A high-voltage remote power supply equipment with active security function is characterized by comprising:
a plurality of groups of power supply converters for converting low-voltage direct current or alternating current into kilovolt or tens of thousands of volt direct current high-voltage output;
the device is further electrically connected with a power converter through a back plate so as to detect the electronic load output by the equipment at high voltage;
a high voltage output section for supplying power to the transmission cable in cooperation with the power converter;
the cable terminal box is used for connecting the positive and negative electrodes of the cable, the cable protection ground and the station ground;
the power distribution box supplies power to the electronic load, the power converter, the local control unit and the DCD I/O assembly box;
the bottom of the cabinet is provided with a bottom layer empty box which is connected with the high-voltage output section and the cable terminal box and can thoroughly disconnect the cable and the high-voltage output after being pulled out;
the power supply distribution box is configured to comprise at least one group of input power supplies, each group of input power supplies is configured to adopt multiple paths of power supply outputs, and each path of power supply output realizes the switching of output states through a matched circuit breaker;
each path of power output is divided into a main circuit breaker and an auxiliary circuit breaker according to the current of the connecting equipment;
the main circuit breaker is provided with a matched packaging panel, and the packaging panel is provided with a first mechanical lock;
a sliding plate is connected below the rotating rod of the first mechanical lock through a pivoted crank, and sliding grooves for the sliding plate to slide up and down are oppositely arranged on the packaging panel, so that when the first mechanical lock rotates, the working state of the main circuit breaker is interfered through the up-and-down movement of the sliding plate; each power converter realizes the control of the output direction through a two-way high-voltage vacuum relay matched with each other, supplies power to an electronic load upwards, and supplies power to a cable downwards through a high-voltage output section;
the panels of the power converters and the electronic loads are respectively provided with a first switch for switching the on-off state of the power.
2. The high-voltage remote power supply equipment with the active security function of claim 1, wherein the cabinet comprises a frame and side plates detachably arranged on each side of the frame;
the electronic load, the power converter, the local control unit, the high-voltage output section and the bottom empty box are arranged on the front side of the frame through first sliding rails which are matched with each other;
the cable terminal box is arranged on the back of the rack through a second sliding rail, and the back of the rack is also provided with a high-voltage junction box, a power supply distribution box, a DCD I/O assembly box and a power supply input/high-voltage output junction box through a third sliding rail which is matched with the cable terminal box;
each part on the rack is detachably connected with the rack through a matched mounting screw, and a second switch connected with the DCD I/O assembly box for monitoring the state position of the mounting screw is arranged at the position of the rack matched with the mounting screw of each part;
the mounting screws on the panels corresponding to the power converter and the electronic load are also provided with a third switch for monitoring the position states of the power converter and the electronic load;
the DCD I/O assembly box is in communication connection with a local control unit, and the local control unit is in communication connection with high-voltage switch tubes and high-voltage vacuum relays of the power converters respectively.
3. The high-voltage remote power supply apparatus having an active security function according to claim 1, wherein the high-voltage output section is configured to include:
the upper section is used for carrying out tandem connection on the high voltage output by the plurality of groups of power converters to form a group of high voltage output, and carrying out polarity conversion, rectification filtering and measurement on the high voltage output;
the lower section is used for connecting the high-voltage output with a cable, converting a cable protection ground and a station ground and measuring the voltage of the cable;
wherein the upper section is configured to include:
the first box body is provided with a polarity switch for performing polarity conversion on the output high voltage;
the hinge flip cover is used for packaging the installation position of the polarity switch, a measuring plate is arranged on one side, staggered from the polarity switch, of the inner side wall of the hinge flip cover, and a fourth switch for monitoring the opening state of the hinge flip cover is arranged;
and the second mechanical lock is arranged on the hinge flip.
4. The high-voltage remote power supply apparatus with active security function according to claim 3, wherein the lower section is configured to include:
a switch drawer box and a test drawer box are arranged on a base of the second box body through a fourth slide rail;
the bracket is arranged in the second box body and corresponds to the switch drawer box and the test drawer box;
the first spring short-circuit device is arranged on the bracket and matched with the rear end of the test drawer box;
the switch drawer box and the test drawer box are respectively provided with a first six-core high-voltage plug and a second six-core high-voltage plug at one end matched with the bracket, and the bracket is respectively provided with a six-core high-voltage socket matched with the first six-core high-voltage plug and the second six-core high-voltage plug;
the six inner conductors in the first six-core plug are connected in pairs through a first high-voltage cable to form a group of high-voltage + and a group of high-voltage-and a group of fifth switches capable of detecting the position state of the switch drawer box through DCD I/O;
two inner conductors in the second six-core plug are respectively connected with two high-voltage sockets on the high-voltage connecting seat through second high-voltage cables, and the other two inner conductors are connected through a third high-voltage cable to form a sixth switch capable of detecting and testing the position state of the drawer box through DCD I/O;
the first spring short-circuit device is in contact with the test drawer box through the first ejector rod, so that when the resistance of the first ejector rod pulled out of the test drawer box is eliminated, all electrodes of the first spring short-circuit device are in contact with the metal reed after the spring is released, and the first spring short-circuit device is in short circuit; when the testing drawer box is pushed into the first ejector rod to jack, the electrodes of the first spring short-circuit device are driven to be completely separated from the metal reeds, and then short circuit is finished;
the first front plate on the switch drawer box is provided with a stop part extending from one end, which is in contact with the second front plate on the test drawer box, of the first front plate, the second front plate is provided with a clamping part extending from the position matched with the stop part, so that the second front plate and the stop part form a blocking structure in space, and the switch drawer box and the test drawer box are fixed through a third mechanical lock and a first compression handle which are arranged on the second box body respectively.
5. The high-voltage remote power supply equipment with the active security function according to claim 1, wherein the bottom empty box, the high-voltage output section and the cable terminal box are connected and conducted in a blind-plugging manner through a first rectangular connector and a second rectangular connector which are matched with each other;
the electronic load, the high-voltage plug and the power signal plug on the power converter respectively pass through the high-voltage plug and the power signal plug which are matched with each other on the back plate, so that the live blind plugging of the electronic load and the power converter is realized, and the movable hinge door is arranged above the installation position of the cabinet matched with the power converter and the power load;
wherein the first rectangular connector is configured to comprise a socket mounting seat arranged at the high-voltage output end and a plug mounting seat arranged on the bottom empty box;
the bottom layer hollow box is provided with an installation groove matched with the plug installation seat, so that the bottom layer hollow box is connected and matched with the high-voltage output section in space to form a blocking type structure;
the hinged door is configured to include: the door body is arranged on the rotating shaft;
and a rotary switch in communication connection with the DCD I/O component box is arranged on the rotating shaft.
6. A high-voltage remote power supply apparatus with active security function according to claim 1, wherein said cable termination box is configured to include:
one side of the third box body is provided with a door body, and the other side of the third box body is provided with a current detection assembly;
the second spring short-circuit devices are respectively arranged in the third box body through mounting frames and correspond to the door body and the bottom empty box;
the door body is further fixed on the third box body through a second compression handle matched with the door body;
the second spring short-circuiting device is respectively contacted with the door body and the bottom empty box through the second ejector rods matched with each other, so that all of a cable, a cable-cable protection ground and a station ground on the spring short-circuiting device are short-circuited when the bottom empty box is pulled out and the door body is pulled out, and grounding protection is realized.
7. The high-voltage remote power supply equipment with the active security function as claimed in claim 1, further comprising three sets of mechanical locks with different models, namely a set one, a set two and a set three;
wherein the set of one is configured to include: the third mechanical lock, the third mechanical lock and the fourth mechanical lock are respectively arranged on the power distribution box packaging panel, the lower section of the high-voltage output section and the test drawer box;
the second sleeve is configured to include: the hinge flip cover, the cabinet back door, the second mechanical lock, the fifth mechanical lock and the sixth mechanical lock are respectively arranged at the upper section of the output section;
the third set is configured to include a seventh mechanical lock in a test drawer box located at the lower section of the output section;
the first set, the second set and the third set are respectively unlocked through a first key, a second key and a third key which are matched with each other, when the equipment is in an operating state, the first key is configured on a third mechanical lock, the second key is configured in a switch drawer box at the lower section of the output section, and the third key is placed at a preset position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569813.7U CN210628920U (en) | 2019-09-19 | 2019-09-19 | High-voltage remote power supply equipment with active security function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569813.7U CN210628920U (en) | 2019-09-19 | 2019-09-19 | High-voltage remote power supply equipment with active security function |
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| CN210628920U true CN210628920U (en) | 2020-05-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504637A (en) * | 2019-09-19 | 2019-11-26 | 四川灵通电讯有限公司 | High pressure Remote Power Supply equipment and interlocking means of defence with active security function |
| CN114959614A (en) * | 2022-06-20 | 2022-08-30 | 中国电子科技集团公司第四十八研究所 | Magnetron sputtering target electrode connecting device |
-
2019
- 2019-09-19 CN CN201921569813.7U patent/CN210628920U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504637A (en) * | 2019-09-19 | 2019-11-26 | 四川灵通电讯有限公司 | High pressure Remote Power Supply equipment and interlocking means of defence with active security function |
| CN110504637B (en) * | 2019-09-19 | 2024-05-07 | 四川灵通电讯有限公司 | Method for interlocking protection of high-voltage remote power supply equipment |
| CN114959614A (en) * | 2022-06-20 | 2022-08-30 | 中国电子科技集团公司第四十八研究所 | Magnetron sputtering target electrode connecting device |
| CN114959614B (en) * | 2022-06-20 | 2024-02-23 | 中国电子科技集团公司第四十八研究所 | Magnetron sputtering target electrode connecting device |
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