CN206849609U - A kind of Current Transformer Secondary overvoltage protector protective case - Google Patents
A kind of Current Transformer Secondary overvoltage protector protective case Download PDFInfo
- Publication number
- CN206849609U CN206849609U CN201720597944.0U CN201720597944U CN206849609U CN 206849609 U CN206849609 U CN 206849609U CN 201720597944 U CN201720597944 U CN 201720597944U CN 206849609 U CN206849609 U CN 206849609U
- Authority
- CN
- China
- Prior art keywords
- protective case
- overvoltage protector
- main body
- housing
- case main
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Current Transformer Secondary overvoltage protector protective case, including protective case main body and overvoltage protector, the protective case main body includes housing and the controller positioned at enclosure interior, leaky checking instrument and carbon dioxide extinguisher, the controller, leaky checking instrument and carbon dioxide extinguisher are fixedly installed on the inwall of the housing, the overvoltage protector is arranged in the cavity of the inside of the protective case main body, the top of the overvoltage protector, which is located on the inwall of the housing, is provided with vibrating sensor, buzzer siren is provided with the top of the protective case main body, the buzzer siren is electrically connected with the controller, the outlet of the carbon dioxide extinguisher is provided with magnetic valve.The utility model by when housing by hard hit or think destroy when or enclosure interior break down when, buzzer siren is overhauled in time by warning reminding maintainer, or reach prevent destroy purpose.
Description
Technical field
Electronic component protection technique field is the utility model is related to, specially a kind of Current Transformer Secondary overvoltage protector
Use protective case.
Background technology
Current transformer principle is according to electromagnetic induction principle.Current transformer is the iron core and winding group by closing
Into.Its first side winding number of turn is seldom, goes here and there in the circuit for the electric current for needing to measure, therefore it often has all electricity of circuit
Stream flows through, and secondary side winding turn ratio is more, is serially connected in measuring instrumentss and protective loop, current transformer at work, it
Secondary side circuit be closure all the time, therefore measuring instrumentss and the impedance very little of protective loop series coil, current transformer
Working condition close to short circuit.Current transformer is that primary side high current is converted into secondary side low current to use, secondary side
It can not open a way.
Current Transformer Secondary overvoltage protector is easily damaged, and mainly current transformer internal short-circuit causes to leak electricity
Or cause fire, the protective case used at present can not carry out effective detection failure to Current Transformer Secondary overvoltage protector,
And artificial malicious sabotage can not be prevented.
Utility model content
The purpose of this utility model is to provide a kind of Current Transformer Secondary overvoltage protector protective case, with solution
State the problem of being proposed in background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of Current Transformer Secondary overvoltage protection
Device protective case, including protective case main body and overvoltage protector, the protective case main body include housing and positioned at enclosure interiors
Controller, leaky checking instrument and carbon dioxide extinguisher, the controller, leaky checking instrument and carbon dioxide extinguisher are fixed and set
Put on the inwall of the housing, the overvoltage protector is arranged in the cavity of the inside of the protective case main body, the mistake
The top of pressure protector, which is located on the inwall of the housing, is provided with vibrating sensor, is provided with the top of the protective case main body
Buzzer siren, the buzzer siren are electrically connected with the controller, and the outlet of the carbon dioxide extinguisher is provided with
Magnetic valve, the magnetic valve and the controller are electrically connected with, the leaky checking instrument and vibrating sensor respectively with the control
Device connection processed.
Preferably, the side of the housing is provided with heat emission hole, and blower fan is provided with the inside of the heat emission hole.
Preferably, be provided with flip door immediately ahead of the protective case main body, the top of the flip door by hinge with
The housing is flexibly connected.
Preferably, the protective case main body is made up of stainless steel metal metal, and the flip door is transparent safety glass
It is made.
Preferably, each component connecting portion of the protective case main body is set using waterproof.
Compared with prior art, the beneficial effects of the utility model are：
1st, temperature sensor is additionally provided with the utility model carbon dioxide extinguisher, when temperature sensor detects temperature
Both fire extinguishing processing can be carried out by carbon dioxide extinguisher when drastically raising, there is simple in construction, easy to use, using effect
The advantages that good.
2nd, the utility model can monitor in real time to the working condition of Current Transformer Secondary overvoltage protector, electric leakage detection
Whether the electronic component that instrument is used to detect inside has leak current fault.
3rd, the utility model in the inside of housing by setting vibrating sensor, when housing by hard hit or is thought
During destruction or when enclosure interior breaks down, buzzer siren is overhauled in time by warning reminding maintainer, or is reached
Prevent the purpose destroyed.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model external structure schematic diagram.
In figure：1- flip doors；2- buzzer sirens；3- hinges；4- vibrating sensors；5- protective case main bodys；6- controllers；
7- leaky checking instruments；8- carbon dioxide extinguishers；9- overvoltage protectors；10- heat emission holes；11- housings；12- blower fans.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of Current Transformer Secondary overvoltage protector is used
Protective case, including protective case main body 5 and overvoltage protector 9, the protective case main body 5 include housing 11 and inside housings 11
Controller 6, leaky checking instrument 7 and carbon dioxide extinguisher 8, the controller 6, leaky checking instrument 7 and carbon-dioxide fire engine
Device 8 is fixedly installed on the inwall of the housing 11, and the overvoltage protector 9 is arranged on the inside of the protective case main body 5
In cavity, the top of the overvoltage protector 9, which is located on the inwall of the housing 11, is provided with vibrating sensor 4, the protection
The top of set main body 5 is provided with buzzer siren 2, and the buzzer siren 2 is electrically connected with the controller 6, the dioxy
The outlet for changing carbon fire extinguisher 8 is provided with magnetic valve, and the magnetic valve is electrically connected with the controller 6, the leaky checking instrument 7
And vibrating sensor 4 is connected with the controller 6 respectively.
The side of the housing 11 is provided with heat emission hole 10, and the inner side of heat emission hole 10 is provided with blower fan 12, improves radiating
Effect；The front of the protective case main body 5 is provided with flip door 1, and the top of the flip door 1 passes through hinge 3 and the shell
Body 11 is flexibly connected；The protective case main body 5 is made up of stainless steel metal metal, and the flip door 1 is transparent safety glass
It is made；Each component connecting portion of the protective case main body 5 is set using waterproof, reaches the purpose of waterproof.
Operation principle：A kind of Current Transformer Secondary overvoltage protector protective case of the utility model, can be mutual to electric current
The working condition of sensor secondary overvoltage protector monitors in real time, and whether the electronic component that leaky checking instrument 7 is used to detect inside has
Leak current fault, temperature sensor is additionally provided with carbon dioxide extinguisher 8, when temperature sensor detects that temperature drastically raises
Both fire extinguishing processing can be carried out by carbon dioxide extinguisher 8；By setting vibrating sensor 4 in the inside of housing 11, work as shell
Body 11 is by hard hit or thinks that buzzer siren 2 is carried by alarm when being broken down during destruction or inside housing 11
Awake maintainer overhauls in time, or reaches the purpose for preventing destroying.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Current Transformer Secondary overvoltage protector protective case, including protective case main body (5) and overvoltage protector (9),
It is characterized in that：The protective case main body (5) includes housing (11) and visited positioned at the internal controller (6) of housing (11), electric leakage
Instrument (7) and carbon dioxide extinguisher (8) are surveyed, the controller (6), leaky checking instrument (7) and carbon dioxide extinguisher (8) are fixed
It is arranged on the inwall of the housing (11), the overvoltage protector (9) is arranged on the sky of the inside of the protective case main body (5)
Intracavitary, the top of the overvoltage protector (9), which is located on the inwall of the housing (11), is provided with vibrating sensor (4), described
Buzzer siren (2) is provided with the top of protective case main body (5), the buzzer siren (2) electrically connects with the controller (6)
Connecing, the outlet of the carbon dioxide extinguisher (8) is provided with magnetic valve, and the magnetic valve is electrically connected with the controller (6),
The leaky checking instrument (7) and vibrating sensor (4) are connected with the controller (6) respectively.
A kind of 2. Current Transformer Secondary overvoltage protector protective case according to claim 1, it is characterised in that：It is described
The side of housing (11) is provided with heat emission hole (10), and blower fan (12) is provided with the inside of the heat emission hole (10).
A kind of 3. Current Transformer Secondary overvoltage protector protective case according to claim 1, it is characterised in that：It is described
Flip door (1) is provided with immediately ahead of protective case main body (5), the top of the flip door (1) passes through hinge (3) and the housing
(11) it is flexibly connected.
A kind of 4. Current Transformer Secondary overvoltage protector protective case according to claim 3, it is characterised in that：It is described
Protective case main body (5) is made up of stainless steel metal metal, and the flip door (1) is made up of transparent safety glass.
A kind of 5. Current Transformer Secondary overvoltage protector protective case according to claim 1, it is characterised in that：It is described
Each component connecting portion of protective case main body (5) is set using waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720597944.0U CN206849609U (en) | 2017-05-26 | 2017-05-26 | A kind of Current Transformer Secondary overvoltage protector protective case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720597944.0U CN206849609U (en) | 2017-05-26 | 2017-05-26 | A kind of Current Transformer Secondary overvoltage protector protective case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849609U true CN206849609U (en) | 2018-01-05 |
Family
ID=60797888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720597944.0U Expired - Fee Related CN206849609U (en) | 2017-05-26 | 2017-05-26 | A kind of Current Transformer Secondary overvoltage protector protective case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206849609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564764A (en) * | 2018-05-06 | 2018-09-21 | 吴岩阳 | A kind of novel electric power overhaul alarming device |
| CN108736460A (en) * | 2018-07-25 | 2018-11-02 | 安徽硕日光电科技有限公司 | A kind of current mutual inductor overvoltage protector |
-
2017
- 2017-05-26 CN CN201720597944.0U patent/CN206849609U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564764A (en) * | 2018-05-06 | 2018-09-21 | 吴岩阳 | A kind of novel electric power overhaul alarming device |
| CN108736460A (en) * | 2018-07-25 | 2018-11-02 | 安徽硕日光电科技有限公司 | A kind of current mutual inductor overvoltage protector |
| CN108736460B (en) * | 2018-07-25 | 2023-11-24 | 合肥森岑汽车用品有限公司 | Overvoltage protector for current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20180526 |