CN208367078U - A kind of electrification in high voltage control instructions module - Google Patents
A kind of electrification in high voltage control instructions module Download PDFInfo
- Publication number
- CN208367078U CN208367078U CN201820998200.4U CN201820998200U CN208367078U CN 208367078 U CN208367078 U CN 208367078U CN 201820998200 U CN201820998200 U CN 201820998200U CN 208367078 U CN208367078 U CN 208367078U
- Authority
- CN
- China
- Prior art keywords
- phase
- electrification
- unit
- high voltage
- direct current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Patch Boards (AREA)
Abstract
The utility model discloses a kind of electrification in high voltage control instructions module, including the bus sensor that high voltage is transformed to low-voltage being connected on each phase bus of switchgear, bus sensor on each phase bus passes through the direct current signal that rectification unit is rectified into each phase respectively, the direct current signal of each phase is delivered to three-phase processing unit together, three-phase processing unit controls the lock-in control unit for being used to prevent charged co-grounding switch connecting with three-phase processing unit according to the situation of the direct current signal of each phase, and the direct current signal of each phase branches out respectively to be connected to all the way for showing the electrification indicating unit whether charged.Electrification in high voltage control instructions module described in the utility model can intuitively show the charged state of each phase bus in real time, it effectively prevent only mistakenly entering charged chamber, prevent charged co-grounding switch, closing operation can only be carried out under all uncharged situation of each phase bus, the anti-error performance of switchgear is improved, safety in utilization is improved.
Description
Technical field
The utility model relates to the control technology field of switchgear more particularly to a kind of electrification in high voltage control instructions modules.
Background technique
Switchgear is a kind of electrical equipment, and switchgear outside line is introduced into master switch in cabinet, subsequently into sub-control switch, respectively
Branch is set according to its needs.High-tension switch cabinet is power grid for the common electrical equipment of electrical domain, and high-tension switch cabinet should have and prevent
Accidentally divide, close breaker, prevent on-load point, close disconnecting switch (or stab contact), prevents disconnecting link with ground (or ground line) from sending
Electricity prevents charged co-grounding switch (or hanging earthing conductor) etc. " five is anti-" function.Existing switchgear can not intuitively show whether
With working voltage, it is easy to appear the situation of electrification maloperation, there are security risk, safety in utilization is poor.
Utility model content
Technical problem to be solved in the utility model and the technical assignment of proposition are improved to the prior art, are provided
Whether a kind of electrification in high voltage control instructions module, solving the switchgear in current technology can not intuitively show with operation electricity
Pressure is easy to appear the problem of charging maloperation.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of electrification in high voltage control instructions module, which is characterized in that including be connected on each phase bus of switchgear will be high
Voltage transformation is the bus sensor of low-voltage, and the bus sensor on each phase bus passes through rectification unit respectively and is rectified into each phase
Direct current signal, the direct current signal of each phase is delivered to three-phase processing unit together, and three-phase processing unit is believed according to the direct current of each phase
Number situation come control connect with three-phase processing unit for preventing the lock-in control unit of charged co-grounding switch, and it is each
The direct current signal of phase branches out respectively to be connected to all the way for showing the electrification indicating unit whether charged.It is described in the utility model
Electrification in high voltage control instructions module show each phase bus respectively using the electrification indicating unit being separately connected with each phase bus
Charged state, display in real time, each phase direct current good, and that each phase bus is changed using three-phase processing unit of intuitive
Signal is handled, when there is a phase direct current signal to be not zero, that is, phase bus electrification, then three-phase processing unit control locking
Control unit is in blocking, forbids charged co-grounding switch；When the direct current signal of each phase is all zero, that is, three-phase bus
When all not charged, three-phase processing unit control lock-in control unit is in unlocking condition, allows to carry out grounding switch, thus effectively
Maloperation is prevented, safety in utilization is improved.
Further, the voltage protection list for pressure limiting is additionally provided between the bus sensor and rectification unit
Member, the low-voltage that bus sensor transformation is obtained carry out clamped calculation process by voltage protection unit, obtain being suitble to rear class
The alternating voltage that circuit uses allows voltage to be no more than the maximum voltage that late-class circuit can bear, to ensure that entire circuit
Operation that can be reliable and stable.
Further, partial pressure electricity is provided in the branch that the output end of the rectification unit is connected with electrification indicating unit
Resistance, enables the charged state for charging each phase bus of indicating unit reliable instruction, and the primary equipment of clearly prompting personnel's switchgear is
No electrification.
Further, the direct current signal of each phase is by being transported to three-phase processing unit after light-coupled isolation unit, benefit
Strong power part and weak current part are kept apart with optocoupler isolated location, can effectively ensure that external forceful electric power input not to high pressure belt
Weak current part circuit inside electric control indicating module generates electromagnetic interference, guarantees that electrification in high voltage control instructions module can be reliably steady
Fixed operation.
Further, it is also connected on the three-phase processing unit for showing that the locking of lock-in control location mode refers to
Show unit, the intuitive state for showing lock-in control unit effectively prevent mistakenly entering charged chamber, prevents charged co-grounding switch,
Improve the anti-error performance of switchgear.
Further, the electrification indicating unit, locking indicating unit use indicator light, and intuitive display is good.
Compared with prior art, the utility model advantage is:
Electrification in high voltage control instructions module described in the utility model can intuitively show the electrification shape of each phase bus in real time
Condition effectively prevent mistakenly entering charged chamber, prevents charged co-grounding switch, can only carry out under all uncharged situation of each phase bus
Closing operation improves the anti-error performance of switchgear, improves safety in utilization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electrification in high voltage control instructions module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of electrification in high voltage control instructions module disclosed in the utility model embodiment, accurate and visual display whether band
Electricity, and can only be operated under uncharged situation, maloperation is effectively avoided, safety in utilization is improved.
As shown in Figure 1, a kind of electrification in high voltage control instructions module, including be connected on each phase bus of switchgear will high electricity
Buckling is changed to the bus sensor of low-voltage, is A phase bus sensor 1, B phase bus sensor 2 and C phase bus sensing respectively
Device 3,1 output end of A phase bus sensor are sequentially connected A phase voltage protection location 4, A commutating phase unit 7, and the protection of A phase voltage is single
The low-voltage that the transformation of A phase bus sensor 1 obtains is carried out clamped calculation process and obtains the exchange for being suitble to late-class circuit to use by member 4
Voltage allows voltage to be no more than the maximum voltage that late-class circuit can bear, and A commutating phase unit 7 is by ac voltage rectifier at direct current
Signal；Likewise, 2 output end of B phase bus sensor is sequentially connected B phase voltage protection location 5, B commutating phase unit 8, C phase is female
3 output end of line sensor is sequentially connected C phase voltage protection location 6, C commutating phase unit 9；And A commutating phase unit 7, B commutating phase
The direct current signal that unit 8 and C commutating phase unit 9 obtain is delivered to three-phase processing unit 10 together, and in A commutating phase unit
7, light-coupled isolation unit 11 is provided between B commutating phase unit 8, C commutating phase unit 9 and three-phase processing unit 10；A commutating phase list
Member 7, the obtained direct current signal of B commutating phase unit 8 and C commutating phase unit 9 branch out respectively to be connected to corresponding electrification all the way and refers to
Show that unit, A commutating phase unit 7 are connected to A phase and charge indicating unit 12, B commutating phase unit 8 is connected to B phase and charges indicating unit
13, C commutating phase units 9 are connected to C phase and charge indicating unit 14, indicating unit 12 is charged by A phase, B phase charges indicating unit 13,
C phase charges the charged state that indicating unit 14 intuitively shows each phase bus, and electrification indicating unit, which uses, in the present embodiment refers to
Show lamp, and be provided with divider resistance in the branch that is connected with electrification indicating unit of the output end of rectification unit, it is ensured that charges and refer to
Show unit reliably working；Three-phase processing unit 10 is controlled according to the situation of the direct current signal of each phase to be connected with three-phase processing unit 10
What is connect is used to prevent the lock-in control unit 15 of charged co-grounding switch, and is also connected on three-phase processing unit for showing
The locking indicating unit 16 of lock-in control location mode.
Lock-in control unit is the decision circuitry formed using resistance triode, is provided with relay in lock-in control unit
Device, when at least a phase direct current signal is not zero, that is, the electrification of an at least phase bus, three-phase processing unit make lock-in control
The relay of unit is in an off state, i.e., three-phase processing unit control lock-in control unit is in blocking, forbids electromagnetism
Lock movement, to realize the forced blocking at switching devices back door, reaching prevents mistakenly entering charged chamber, prevents electrification grounding knife
The effect of lock meets the anti-requirement of switchgear five；When the direct current signal of each phase is all zero, that is, three-phase bus is all not charged
When, make lock-in control unit be in unlocking condition by the operation of three-phase processing unit, at the relay of lock-in control unit
In closed state, electromagnetic lock is allowed to act, allows to carry out grounding switch.
It is latched indicating unit and uses indicator light, when any one phase electrification of A, B, C three-phase, three-phase processing unit to be latched
The indicator light of indicating unit does not work, and prompting cannot charge conjunction earthing switch at this time, prevents mistakenly entering charged chamber, improves switchgear
Anti-error performance, when A, B, C three-phase are entirely not charged, three-phase processing unit makes the indicator light for being latched indicating unit give a green light, generation
The relay of table lock-in control unit at this time is in closed state, allows electromagnetic lock to act at this time, allows to carry out grounding switch.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of electrification in high voltage control instructions module, which is characterized in that including be connected on each phase bus of switchgear will high electricity
Buckling is changed to the bus sensor of low-voltage, and the bus sensor on each phase bus passes through rectification unit respectively and is rectified into each phase
Direct current signal, the direct current signal of each phase are delivered to three-phase processing unit together, and three-phase processing unit is according to the direct current signal of each phase
Situation come control connect with three-phase processing unit for preventing the lock-in control unit of charged co-grounding switch, and each phase
Direct current signal branch out be connected to all the way for showing the electrification indicating unit whether charged respectively.
2. electrification in high voltage control instructions module according to claim 1, which is characterized in that the bus sensor with it is whole
The voltage protection unit for pressure limiting is additionally provided between stream unit.
3. electrification in high voltage control instructions module according to claim 1, which is characterized in that the output end of the rectification unit
Divider resistance is provided in the branch being connected with electrification indicating unit.
4. electrification in high voltage control instructions module according to claim 1, which is characterized in that the direct current signal of each phase
By being transported to three-phase processing unit after light-coupled isolation unit.
5. electrification in high voltage control instructions module according to claim 1, which is characterized in that on the three-phase processing unit
It is also connected with the locking indicating unit for showing lock-in control location mode.
6. electrification in high voltage control instructions module according to claim 5, which is characterized in that the electrification indicating unit,
It is latched indicating unit and uses indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998200.4U CN208367078U (en) | 2018-06-26 | 2018-06-26 | A kind of electrification in high voltage control instructions module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998200.4U CN208367078U (en) | 2018-06-26 | 2018-06-26 | A kind of electrification in high voltage control instructions module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208367078U true CN208367078U (en) | 2019-01-11 |
Family
ID=64927154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820998200.4U Active CN208367078U (en) | 2018-06-26 | 2018-06-26 | A kind of electrification in high voltage control instructions module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208367078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200192A (en) * | 2021-12-09 | 2022-03-18 | 广东电网有限责任公司 | Induction type charged display device |
-
2018
- 2018-06-26 CN CN201820998200.4U patent/CN208367078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200192A (en) * | 2021-12-09 | 2022-03-18 | 广东电网有限责任公司 | Induction type charged display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104979894A (en) | RMU uninterrupted power supply load transfer method | |
| CN204230732U (en) | A kind of armored central enclosed AC metal switch apparatus | |
| CN104752968A (en) | Power box with dual power supplies | |
| CN109119975A (en) | A kind of failure protection method of the breaker of direct current system and its start-up course | |
| CN203205870U (en) | Single phase grounding protection switch cabinet | |
| CN208367078U (en) | A kind of electrification in high voltage control instructions module | |
| CN107465175B (en) | Prevent the microcomputer protecting device of maloperation | |
| CN207303696U (en) | A kind of city rail vehicle static debugging DC power system with converter system | |
| CN103942868A (en) | Electrified display access control device applied to 35KV electric switch cabinet | |
| CN104471815A (en) | Bipolar high/low voltage converter station for series mtdc system | |
| CN107565542A (en) | A kind of quiet tune power-supply system of urban rail | |
| CN205070179U (en) | Electric blocking device of electric power low -voltage switchgear | |
| CN203086118U (en) | 10kV cable network feeder automation device | |
| CN207819446U (en) | A kind of five anti-loop control systems for hybrid gas insulation switchgear | |
| CN203707583U (en) | Busbar grounding handcart and incoming and outgoing line handcart locking loop | |
| CN206991977U (en) | A kind of blocking device for preventing power transformation operation back brake maloperation | |
| CN203707637U (en) | Bus coupler cabinet handcart and interlocking circuit of bus coupler isolation cabinet handcart | |
| CN208257496U (en) | Dual-power automatic switching formula heating tape current supply circuit | |
| CN208257409U (en) | Double-bus back brake anti-misoperation control device and double-bus power supply system | |
| CN202957513U (en) | Metal sealed switch cabinet with centrally-positioned armor | |
| CN202772028U (en) | High-voltage power distribution cabinet maintenance back door electrical lockout circuit | |
| CN209608140U (en) | More plant-grid connection power distribution cabinets with load monitoring | |
| CN206041309U (en) | Voltage transformer handcart with isolating function | |
| CN104465160A (en) | Lock control module | |
| CN204008725U (en) | Vacuum circuit breaker debugging termination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |