CN201830016U - Automatic voltage regulation device with silicon chain breakage protection - Google Patents
Automatic voltage regulation device with silicon chain breakage protection Download PDFInfo
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- CN201830016U CN201830016U CN2010205543158U CN201020554315U CN201830016U CN 201830016 U CN201830016 U CN 201830016U CN 2010205543158 U CN2010205543158 U CN 2010205543158U CN 201020554315 U CN201020554315 U CN 201020554315U CN 201830016 U CN201830016 U CN 201830016U
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Abstract
The utility model discloses an automatic voltage regulation device with silicon chain breakage protection, comprising a main case and an internal control board. The internal control board comprises a silicon chain voltage regulation unit, a control unit, a silicon breakage protection unit and a silicon breakage detection unit, the silicon chain voltage regulation unit comprises five groups of silicon chains which are serially connected in the same direction, each group of the silicon chains are formed by serially connecting seven diodes in the same direction, the control unit comprises five direct current relays, each direct current relay is respectively connected with one group of the silicon chains in parallel, the silicon breakage protection unit comprises five silicon controlled thyristors, each silicon controlled thyristor is connected with one direct current relay in parallel, the output of the silicon chain voltage regulation unit and five outputs of the silicon chain group are respectively connected with the input of the silicon broken protection unit, five control outputs of the silicon broken detection unit are respectively connected with five control ends of the silicon controlled thyristors. In the utility model, a high-frequency silicon controlled thyristor is used as the silicon breakage protection unit, when the diode is in an open circuit, and the silicon controlled thyristor is conducted within 50 microseconds after receiving an instruction sent from the silicon breakage detection unit, so as to thoroughly solve potential silicon-broken hazards.
Description
Technical field
The utility model relates to a kind of automatic pressure regulating device, particularly a kind of automatic pressure regulating device with disconnected silicon chain protection.
Background technology
The silicon chain is as a kind of voltage regulating device that is widely used in the DC power supply control system (abbreviation direct current cabinet), when being operated in " automatically " state, controller detects busbar voltage, and with set point relatively, when busbar voltage was higher than the upper limit (lower limit) of (being lower than) set point, controller sent signal, drive and carry out relay, by carrying out the disjunction or the closure of relay, change the step-down value of voltage-stabilizing silicon chain, guarantee that bus voltage value is within the limits prescribed.
At present, in electric power system and the power plant in the used silicon chain automatic pressure regulating device battery be 2V/108 only, requiring even charging voltage according to battery charge is 253V, be that VHM is 253V, float charge voltage is 243V, therefore be that VHM is 243V, be floating charge state or all fill the peak 242V and 220 that state all surpasses control output voltage VKM
2% voltage stabilizing standard is as Fig. 1.Among the figure, diode series connection silicon chain automatic pressure regulating device, its principle is with 35 diode series connection, per 7 diodes with 1 relay normally open point mutually also, totally 5 relay J 1, J2, J3, J4, J5 compositions five save the silicon chains, again by automatic control and adjustment device and manual, automatic universal seclector S1 composition.When auto state, if battery is the state that all fills, promptly VHM is 253V, and J1-1, J2-1, J3-1, J4-1, J5-1 all often open, and behind dropping equipment step-down 35V, VKM is 218V, meets national standard; If battery is a floating charge state, promptly VHM is 243V, and J1-1, J2-1 are normally closed automatically, and J3-1, J4-1, J5-1 still often open, and behind dropping equipment step-down 21V, VKM is 222V, meets national standard too.Maximum at present problem is that any diode damages i.e. open circuit in this device; will cause VKM is 0V, promptly controls the voltage dead electricity, makes transformer station be in the unprotect operating state; can cause transformer station inner high voltage switch to damage and can't work, cause user's large-area power-cuts.
The utility model content
The purpose of this utility model promptly is to overcome the deficiencies in the prior art; a kind of automatic pressure regulating device with disconnected silicon chain protection is provided; this device adopts high frequency thristor service time has only 4us; when diode open-circuit; high frequency thristor is received the interior conducting of instruction 50us that disconnected silicon detecting unit sends, and satisfies the continual time requirement of control output voltage institute bringing onto load fully.
The purpose of this utility model is achieved through the following technical solutions: the automatic pressure regulating device with disconnected silicon chain protection; it comprises casing and internal control plate thereof; described internal control plate comprises silicon chain pressure unit; control unit; disconnected silicon protected location and disconnected silicon detecting unit; silicon chain pressure unit comprises the silicon chain of 5 groups of series aiding connections; every group of silicon chain is made up of 7 diode series aiding connections; control unit comprises 5 direct current relays; each direct current relay is in parallel with one group of silicon chain respectively; disconnected silicon protected location comprises 5 controllable silicons; each controllable silicon is in parallel with a direct current relay respectively; the output of silicon chain pressure unit is connected with an input of disconnected silicon detecting unit; five outputs of silicon chain group are connected with five inputs of disconnected silicon detecting unit respectively, and five control outputs of disconnected silicon detecting unit are connected with five control ends of silicon controlled respectively.
Described controllable silicon is a high frequency thristor.
Described control unit adopts step-by-step system to carry out pressure regulation.
The beneficial effects of the utility model: this device adopts high frequency thristor as disconnected silicon protected location; the service time of high frequency thristor itself has only 4us; when diode open-circuit; high frequency thristor is received the interior conducting of instruction 50us that disconnected silicon detecting unit sends; satisfy the continual time requirement of control output voltage institute bringing onto load fully, thoroughly solve the potential hazard of the disconnected silicon of silicon modulating device.
Description of drawings
Fig. 1, diode series connection silicon chain automatic pressure regulating device;
Fig. 2, principle schematic of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further: as Fig. 2, automatic pressure regulating device with disconnected silicon chain protection, it comprises casing and internal control plate thereof, described internal control plate comprises silicon chain pressure unit, control unit, disconnected silicon protected location and disconnected silicon detecting unit, silicon chain pressure unit comprises silicon chain Z1～Z7, Z8～Z14, Z15～Z21, Z22～Z28, the Z29～Z35 of 5 groups of series aiding connections, and every group of silicon chain is made up of 7 diode series aiding connections; Control unit comprises 5 direct current relay J1～J5, and each direct current relay is in parallel with one group of silicon chain respectively, and control unit adopts step-by-step system to carry out pressure regulation; Disconnected silicon protected location comprises 5 controllable silicon ZK1～ZK5; and controllable silicon is a high frequency thristor; each controllable silicon is in parallel with a direct current relay respectively; the output of silicon chain pressure unit is connected with an input of disconnected silicon detecting unit; five outputs of silicon chain group are connected with five inputs of disconnected silicon detecting unit respectively, and five control outputs of disconnected silicon detecting unit are connected with five control ends of silicon controlled respectively.
The principle of this device is as follows: when 5 groups of silicon chain Z1～Z7, Z8～Z14, Z15～Z21, Z22～Z28, Z29～Z35 operate as normal, 5 high frequency thristor ZK1～ZK5 are in not conducting of open-circuit condition, and disconnected silicon detecting unit detects the running status of silicon chain pressure unit; When any diode has fault generation open-circuit condition among silicon chain Z1～Z35, disconnected silicon detecting unit detects open-circuit condition, the high frequency thristor that the open circuit diode is in parallel sends control command immediately, trigger controllable silicon conducting in 50us, with the short circuit of out of order silicon chain, thereby guarantee that control output voltage VKM does not interrupt, make the substation safety operation.
Claims (2)
1. the automatic pressure regulating device that has disconnected silicon chain protection; it is characterized in that: it comprises casing and internal control plate thereof; described internal control plate comprises silicon chain pressure unit; control unit; disconnected silicon protected location and disconnected silicon detecting unit; silicon chain pressure unit comprises the silicon chain of 5 groups of series aiding connections; every group of silicon chain is made up of 7 diode series aiding connections; control unit comprises 5 direct current relays; each direct current relay is in parallel with one group of silicon chain respectively; disconnected silicon protected location comprises 5 controllable silicons; each controllable silicon is in parallel with a direct current relay respectively; the output of silicon chain pressure unit is connected with an input of disconnected silicon detecting unit; five outputs of silicon chain group are connected with five inputs of disconnected silicon detecting unit respectively, and five control outputs of disconnected silicon detecting unit are connected with five control ends of silicon controlled respectively.
2. the automatic pressure regulating device with disconnected silicon chain protection according to claim 1, it is characterized in that: described controllable silicon is a high frequency thristor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205543158U CN201830016U (en) | 2010-10-09 | 2010-10-09 | Automatic voltage regulation device with silicon chain breakage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205543158U CN201830016U (en) | 2010-10-09 | 2010-10-09 | Automatic voltage regulation device with silicon chain breakage protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201830016U true CN201830016U (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205543158U Expired - Fee Related CN201830016U (en) | 2010-10-09 | 2010-10-09 | Automatic voltage regulation device with silicon chain breakage protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201830016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849027A (en) * | 2016-12-27 | 2017-06-13 | 酒泉钢铁(集团)有限责任公司 | A kind of hotline maintenance method of straight-flow system regulator |
| CN116759664A (en) * | 2023-06-06 | 2023-09-15 | 国网江苏省电力有限公司泰州供电分公司 | Online capacity checking device and method for storage battery pack |
-
2010
- 2010-10-09 CN CN2010205543158U patent/CN201830016U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849027A (en) * | 2016-12-27 | 2017-06-13 | 酒泉钢铁(集团)有限责任公司 | A kind of hotline maintenance method of straight-flow system regulator |
| CN106849027B (en) * | 2016-12-27 | 2019-06-25 | 酒泉钢铁(集团)有限责任公司 | A kind of hotline maintenance method of direct current system regulator |
| CN116759664A (en) * | 2023-06-06 | 2023-09-15 | 国网江苏省电力有限公司泰州供电分公司 | Online capacity checking device and method for storage battery pack |
| CN116759664B (en) * | 2023-06-06 | 2024-01-09 | 国网江苏省电力有限公司泰州供电分公司 | Online capacity checking device and method for storage battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chengdu Bingjie Technology Development Co., Ltd. Assignor: Chengdu Yutianjun Technology Development Co., Ltd. Contract record no.: 2012510000002 Denomination of utility model: Automatic voltage regulation device with silicon chain breakage protection Granted publication date: 20110511 License type: Exclusive License Record date: 20120105 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20131009 |