CN204406586U - Indicator automatic detecting table high-voltage safety protection control system - Google Patents
Indicator automatic detecting table high-voltage safety protection control system Download PDFInfo
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- CN204406586U CN204406586U CN201520121629.1U CN201520121629U CN204406586U CN 204406586 U CN204406586 U CN 204406586U CN 201520121629 U CN201520121629 U CN 201520121629U CN 204406586 U CN204406586 U CN 204406586U
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- detecting table
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Abstract
The utility model discloses a kind of indicator automatic detecting table high-voltage safety protection control system, this system comprises infrared warning subsystem and door lock protected subsystem; Whether infrared warning subsystem comprises detection has people or object to enter near the infrared transceiver device of this monitor station and people or object the sound light alarming circuit then carrying out alarm in setpoint distance; Door lock protected subsystem comprises and detects the door lock sensing apparatus that whether locks of this detection cabinet door lock and start button can not start the startup control circuit of this monitor station when this cabinet non-locking door is good.Before indicator automatic detecting table, set up infrared warning circuit, when this monitor station is worked, people or object are reported to the police in enforcement before this monitor station N rice; Set up the protection circuit be associated with the door lock of this monitor station, when making the door lock non-locking of this monitor station, even if press confirming button, this monitor station does not also work.The utility model is first alarm, then power-off, allows test accomplish real safe and efficient.
Description
Technical field
The utility model relates to a kind of indicator automatic detecting table high-voltage safety protection control system.
Background technology
Application number is " a kind of security protection system for high-potting " of 201120373508, comprises infrared eye, advance signal collecting unit, signal logic processing unit, control signal output circuit and tripping operation executive circuit; The infrared ray of infrared eye is enclosed in outside high-potting district closedly; Described infrared eye is electrically connected with advance signal collecting unit, described advance signal collecting unit is electrically connected with signal logic processing unit, described signal logic processing unit is electrically connected with control signal output circuit, described control signal output circuit is electrically connected with tripping operation executive circuit, and the boosting rectifier control platform that described tripping operation executive circuit boosts with the equipment for controlling in high-potting district is electrically connected; Described tripping operation executive circuit comprises warning circuit.This system can be avoided when high-potting occurring security incident.
There is some problem in prior art: 1: infrared protection easily causes misoperation; 2: infrared protection exists dead band, 100% can not guarantee safety; 3: substance is protected, and it is unreliable to protect; 4: trip signal, by infrared control, belongs to electronic mechanism, do not have mechanically actuated reliable; 5: do not increase and suddenly stop part.
Utility model content
The purpose of this utility model is to provide one indicator automatic detecting table high-voltage safety protection control system safely and efficiently.
This indicator automatic detecting table high-voltage safety protection control system that the utility model provides, this system comprises infrared warning subsystem and door lock protected subsystem;
Whether infrared warning subsystem comprises: detect and have people or object to enter near the infrared transceiver device of this monitor station and people or object the sound light alarming circuit then carrying out alarm in setpoint distance;
Door lock protected subsystem comprises: detect door lock sensing apparatus that whether this detection cabinet door lock lock and start button can not start the startup control circuit of this monitor station when this cabinet non-locking door is good.
The stube cable at the high-low pressure place of this system adopts the structure of brass bar overcoat brass tube; Be provided with withstand voltage heat-shrink tube between brass bar and brass tube, brass tube is fixed on brass bar by heat-shrink tube.
Described brass bar two ends are than described brass pipe range; Described brass tube is installed the latten(-tin) being used for link indicator every fixed intervals.
Described infrared transceiver device adopts infrared light curtain transceiver, and infrared light curtain transceiver comprises infrared transmitter and infrared remote receiver.
Described sound light alarming circuit comprises controller, hummer and warning lamp; Infrared remote receiver is connected with controller, and the normal open switch of the internal relay of controller and hummer and warning lamp are sequentially connected in series; When infrared remote receiver can't detect the infrared signal that infrared transmitter sends, then send a signal to controller, controller closes internal relay, hummer is sounded alarm, lights warning lamp simultaneously.
Described door lock sensing apparatus adopts some travel switches be arranged on door lock.
Described startup control circuit comprises described travel switch, shutdown switch, starting switch, A.C. contactor, electrothermal relay, protective tube, some emergency stop switchs; The A phase of A.C. contactor or B phase or C phase are drawn a power lead and are connected with protective tube, and protective tube, some emergency stop switchs, described travel switch, shutdown switch, starting switch, the coil of A.C. contactor, electrothermal relay are connected to after being sequentially connected in series between protective tube and neutral terminal N; A.C. contactor often drive auxiliary contact and starting switch is connected in parallel.
Described door lock adopts mechanical door lock.
Compared with prior art, the utility model has the advantage of: high-pressure security protection is carried out layering by the utility model---explosive area, protected location, alarm district, place of safety.Time testing apparatus is tested, be not intended to for what occur or first warn close to the movement of indicator automatic detecting table because of carelessness, if also operation further after warning, so just implementing the tripping operation that has a power failure; Infrared function is only as alarm use in the utility model, and whether mechanical door lock powers on as the second heavy protecting control monitor station, allows test accomplish real safe and efficient.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is infrared warning subsystem circuit schematic diagram of the present utility model.
Fig. 3 is startup control circuit one figure of the present utility model.
Fig. 4 is startup control circuit two figure of the present utility model.
Fig. 5 is the high-low pressure isolation schematic diagram of cable section of the present utility model.
Fig. 6 is high-low pressure of the present utility model isolation cable position schematic diagram.
Embodiment
As shown in Figure 1, indicator automatic detecting table is carried out Grading And Zoning process by from danger to safety by the utility model: explosive area, protected location, alarm district, place of safety.
First, utilizing infrared induction to arrange one deck protection, is alarm district of the present utility model.Scope outside this infrared warning controls is place of safety.Then, utilizing mechanical door lock within the scope of infrared warning, arrange one deck protection again, is protected location of the present utility model.It is then explosive area in protected location.
Like this when entering alarm district, Infrared intrusion detector has detected that object enters and has just carried out sound and light alarm and warned.As long as operation is not specially, ground floor protection almost all prevents and can not cause the tripping operation of testing apparatus.Definitely can not there is protection's dead-zone in high-voltage testing equipment; can only protect as ground floor alarm so infrared; second layer protection adopts the mode of mechanical door lock; the limit switch string of door lock in the control loop of major loop, utilize the modes such as door, explosive area 100% is closed; any object all cannot enter explosive area when not opening door; once open door, major loop will at once power-off, avoids the generation of high pressure accident.
The step that the utility model implements high-voltage safety protection control to indicator automatic detecting table is as follows:
Step 1, adopts the structure of brass bar overcoat brass tube by the stube cable at high-low pressure place; Be provided with the heat-shrink tube that some layers are withstand voltage between brass bar and brass tube, brass tube is fixed on brass bar by heat-shrink tube.Brass tube installs latten(-tin) every fixed intervals, and this latten(-tin) is connected with indicator to be checked as high pressure connection;
Step 2, sets up infrared warning circuit before indicator automatic detecting table, implements to report to the police when when this monitor station is worked, people or thing are attempted to open glass door;
Step 3, sets up the protection circuit be associated with the door lock of this monitor station, and when making the door lock of this monitor station not lock, even if press start button, this monitor station does not also work.
Because infrared protection setting is allow people can not near the handle of door by the utility model, its guard space is not far, as long as therefore the value of N meets this requirement.
Below in conjunction with accompanying drawing, the enforcement of each protected location in the utility model is further described.
Indicator automatic detecting table high-voltage safety protection control system of the present utility model comprises infrared warning subsystem and door lock protected subsystem.
Whether infrared warning subsystem comprises: detect and have people or object to enter near the infrared transceiver device of this monitor station and people or object the sound light alarming circuit then carrying out alarm in setpoint distance; Door lock protected subsystem comprises: detect door lock sensing apparatus that whether this detection cabinet door lock lock and start button can not start the startup control circuit of this monitor station when this cabinet non-locking door is good.
As shown in Figure 2, infrared warning subsystem comprises infrared transceiver device and sound light alarming circuit.
Infrared transceiver device can adopt infrared light curtain transceiver; Infrared light curtain transceiver comprises infrared transmitter and infrared remote receiver.
Sound light alarming circuit comprises controller, hummer and warning lamp.Infrared remote receiver is connected with controller, and the normal open switch of the internal relay of controller and hummer and warning lamp are sequentially connected in series; When infrared remote receiver can't detect the infrared signal that infrared transmitter sends, then send a signal to controller, controller closes internal relay, hummer is sounded alarm, lights warning lamp simultaneously.
During use, infrared detection equipment can the total length of detecting gate handle.In Fig. 2, infrared remote receiver G1, infrared transmitter G2 are infrared light curtain transceiver.When equipment normally works time, infrared remote receiver G1 can receive the infrared signal that infrared transmitter G2 sends, when have people attempt close to indicator automatic detecting table door or open this time, infrared remote receiver G1 detects that infrared signal is blocked, this receiver then sends a signal to controller, this Time Controller controls closed internal relay, and hummer is sounded alarm.The output of infrared detection equipment of the present utility model does not participate in the control of A.C. contactor control loop, only provides sound alarm.
Door lock protected subsystem of the present utility model comprises door lock sensing apparatus and starts control circuit.
Door lock sensing apparatus of the present utility model adopts some travel switches be arranged on door lock.
Start control circuit and comprise some travel switches, shutdown switch, starting switch, A.C. contactor, electrothermal relay, protective tube, some emergency stop switchs; Exchange the A phase of lening out or B phase or C phase to draw a power lead and be connected with protective tube, protective tube, some emergency stop switchs, some travel switches, shutdown switch, starting switch, the coil of A.C. contactor, electrothermal relay are connected to after being sequentially connected in series between protective tube and neutral terminal N; A.C. contactor often drive auxiliary contact and starting switch is connected in parallel.
Door lock of the present utility model adopts mechanical door lock.
As shown in Figure 3, this control circuit line is: draw a power lead from the A phase L11 of A.C. contactor J1 and receive protective tube FU1, first emergency stop switch K5-1 is received in the outlet of this protective tube, second emergency stop switch K5-2 is received in the outlet of this emergency stop switch K5-1, first travel switch K4-1 is received in the outlet of this emergency stop switch K5-2, second travel switch K4-2 is received in the outlet of the trip K switch 4-1, shutdown switch K8 is received in the outlet of the trip K switch 4-2, starting switch K6 is received in the outlet that K8 was opened in this stopping, often open auxiliary node and starting switch K6 parallel connection for one of A.C. contactor J1, the coil of A.C. contactor J1 is received in the outlet of starting switch K6, the auxiliary node of electrothermal relay r1 is received in the coil outlet of this A.C. contactor, the neutral line N1 of A.C. contactor J1 inlet wire is received in the outlet of the auxiliary node of electrothermal relay r1.
As shown in Figure 4, the host node of electrothermal relay r1 and the main contact of A.C. contactor J1 are connected in series.
Start the principle of work of control circuit: A.C. contactor J1 be made to close, must make to start control circuit energising.Two travel switches started in control circuit are arranged on the door frame portion of indicator automatic detecting table stage body, two corresponding two doors of travel switch.When the door of stage body is in open mode, travel switch is in off-state, A.C. contactor J1 can not be made to close even if now press start button, powers on also just can not to this stage body.Therefore, first must, by two of this stage body door Close All, two travel switches all be closed, then A.C. contactor just can be made to close by start button, thus stage body normally powers on.Anyone is had to touch live part inside stage body when doing so avoids equipment work.
The start button that the utility model adopts is not with self-locking, presses down and unclamp rear button and can automatically reset, therefore need control loop to possess auto-lock function.The utility model realizes self-locking by the auxiliary contact of A.C. contactor J1, and the coiler part of A.C. contactor J1 is connected on and starts in control circuit, and the auxiliary contact of A.C. contactor J1 is in parallel with start button.In time pressing start button, start control circuit energising, the coil of A.C. contactor J1 powers on, its auxiliary contact and main contact close, due to auxiliary contact and the starting switch K6 parallel connection of A.C. contactor J1, even if unclamp starting switch K6 this time, start control circuit still keep be energized.And when normally will stop the power supply to equipment, shutdown switch K8 must be pressed, disconnect and start control circuit, the coil losing electricity of A.C. contactor J1, the also tripping of its auxiliary contact, its main contact disconnects.In like manner, pressing emergency stop switch when there is emergency episode, also can reach disconnection control loop, disconnect the object of power supply.
In addition, the utility model implements insulation blocking between high-low pressure equipment.The very important part of indicator automatic detecting table stage body is exactly the combination of high voltage and big current, if utilize an equipment to export, so the volume of equipment must be very large, and extremely dangerous.Therefore the utility model adopts the scheme head it off that electric current and voltage divides distinct device to export: as shown in Figure 5, brass bar 2 at one end presses the nose 1 after leaving the position of other end compression bonded line nose of carefully connecting the wire, the heat-shrinkable T bush that two-layer 10kV is withstand voltage on the outside of this brass bar 2 is all overlapped pyrocondensation (first overlap one deck and pyrocondensation, overlap the second layer again and pyrocondensation), then by this brass bar 2 through in brass tube 3; Brass bar 2 two ends 15mm longer than brass tube 3, is then set to brass tube 3 two ends with heat-shrink tube, carries out heating pyrocondensation, be fixed on brass bar by brass tube thus heat-shrink tube.Finally on brass tube 3, latten(-tin) 4 is installed.
As shown in Figure 6, the cable of this kind of structure is installed in the inner many places of indicator automatic detecting table.Skin due to brass bar puts the withstand voltage heat-shrinkable T bush of two-layer 10kV; then just brass tube is overlapped outward at brass bar; so the copper rod of centre can galvanization; the copper pipe of outside can be energized pressure; the heat-shrinkable T bush having two-layer 10kV withstand voltage exists; there is not the danger of voltage breakdown, weak current part is protected, and thus achieves the combination that voltage, electric current export respectively on a cable.
Brass tube exposes, and latten(-tin) leads to high pressure, is attempted by brass tube, and such brass tube is also with high pressure; And brass bar and brass tube insulate.As can be seen from Figure 6, the cable that a monitor station has the such brass tube of a lot of root and brass bar to be combined into, the brass tube of all cables is in parallel, and the brass bar of all cables is one another in series.During work, brass bar can galvanization, and brass tube can go up high pressure, and indicator hangs over above cable that brass tube and brass bar be combined into.
Claims (8)
1. an indicator automatic detecting table high-voltage safety protection control system, is characterized in that, this system comprises infrared warning subsystem and door lock protected subsystem;
Whether infrared warning subsystem comprises: detect and have people or object to enter near the infrared transceiver device of this monitor station and people or object the sound light alarming circuit then carrying out alarm in setpoint distance;
Door lock protected subsystem comprises: detect door lock sensing apparatus that whether this detection cabinet door lock lock and start button can not start the startup control circuit of this monitor station when this cabinet non-locking door is good.
2. indicator automatic detecting table high-voltage safety protection control system according to claim 1, is characterized in that, the stube cable at the high-low pressure place of this system adopts the structure of brass bar overcoat brass tube; Be provided with withstand voltage heat-shrink tube between brass bar and brass tube, brass tube is fixed on brass bar by heat-shrink tube.
3. indicator automatic detecting table high-voltage safety protection control system according to claim 2, it is characterized in that, described brass bar two ends are than described brass pipe range; Described brass tube is installed the latten(-tin) being used for link indicator every fixed intervals.
4. indicator automatic detecting table high-voltage safety protection control system according to claim 1, is characterized in that, described infrared transceiver device adopts infrared light curtain transceiver, and infrared light curtain transceiver comprises infrared transmitter and infrared remote receiver.
5. indicator automatic detecting table high-voltage safety protection control system according to claim 4, it is characterized in that, described sound light alarming circuit comprises controller, hummer and warning lamp; Infrared remote receiver is connected with controller, and the normal open switch of the internal relay of controller and hummer and warning lamp are sequentially connected in series; When infrared remote receiver can't detect the infrared signal that infrared transmitter sends, then send a signal to controller, controller closes internal relay, hummer is sounded alarm, lights warning lamp simultaneously.
6. indicator automatic detecting table high-voltage safety protection control system according to claim 1, is characterized in that, described door lock sensing apparatus adopts some travel switches be arranged on door lock.
7. indicator automatic detecting table high-voltage safety protection control system according to claim 6, it is characterized in that, described startup control circuit comprises described travel switch, shutdown switch, starting switch, A.C. contactor, electrothermal relay, protective tube, some emergency stop switchs; The A phase of A.C. contactor or B phase or C phase are drawn a power lead and are connected with protective tube, and protective tube, some emergency stop switchs, described travel switch, shutdown switch, starting switch, the coil of A.C. contactor, electrothermal relay are connected to after being sequentially connected in series between protective tube and neutral terminal N; A.C. contactor often drive auxiliary contact and starting switch is connected in parallel.
8. indicator automatic detecting table high-voltage safety protection control system according to claim 1, is characterized in that, described door lock adopts mechanical door lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121629.1U CN204406586U (en) | 2015-03-03 | 2015-03-03 | Indicator automatic detecting table high-voltage safety protection control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121629.1U CN204406586U (en) | 2015-03-03 | 2015-03-03 | Indicator automatic detecting table high-voltage safety protection control system |
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| CN204406586U true CN204406586U (en) | 2015-06-17 |
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| CN201520121629.1U Active CN204406586U (en) | 2015-03-03 | 2015-03-03 | Indicator automatic detecting table high-voltage safety protection control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658151A (en) * | 2015-03-03 | 2015-05-27 | 威胜电气有限公司 | High-voltage safety protection control system and method for automatic test platform of indicator |
| CN110109408A (en) * | 2018-02-01 | 2019-08-09 | 山西壹泰科电工设备有限公司 | Irradiation processing installation security system |
-
2015
- 2015-03-03 CN CN201520121629.1U patent/CN204406586U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658151A (en) * | 2015-03-03 | 2015-05-27 | 威胜电气有限公司 | High-voltage safety protection control system and method for automatic test platform of indicator |
| CN110109408A (en) * | 2018-02-01 | 2019-08-09 | 山西壹泰科电工设备有限公司 | Irradiation processing installation security system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Address after: 410205 Jiuhua Service Building, No. 98, Fuzhou Road, Jiuhua Economic Zone, Xiangtan City, Hunan Province Patentee after: Weisheng Energy Technology Co.,Ltd. Address before: 410205 Jiuhua Service Building, No. 98, Fuzhou Road, Jiuhua Economic Zone, Xiangtan City, Hunan Province Patentee before: WASION ELECTRIC Co.,Ltd. |