CN203826840U - Control device of high voltage switch cabinet - Google Patents
Control device of high voltage switch cabinet Download PDFInfo
- Publication number
- CN203826840U CN203826840U CN201420242755.8U CN201420242755U CN203826840U CN 203826840 U CN203826840 U CN 203826840U CN 201420242755 U CN201420242755 U CN 201420242755U CN 203826840 U CN203826840 U CN 203826840U
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- front panel
- display surface
- control device
- simulation display
- switch cabinet
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- 238000004088 simulation Methods 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a control device of a high voltage switch cabinet; the control cabinet comprises a front panel, a rear housing and a circuit module; the front panel is provided with a simulation display surface being a plastic panel fixed on the front panel; a direction right behind the simulation display surface of the front panel is provided with a through hole allowing a signal lamp of the circuit module to expose; two sides positioned right behind the simulation display surface on the front panel are respectively provided with a transverse hole sinking hole; an inner side face on a rear wall of a rear housing is transversely fixed with a sleeve pipe matched with the sinking hole; an inner wall of the sleeve pipe is provided inner threads; the control device also comprises a plurality of connecting bolts screwed in the sinking hole and the matched sleeve pipe so as to fixedly connect the front panel with the rear housing, and the connecting bolts are positioned right behind the simulation display surface. The control device is simple in structure, high in hidden property, hard to dismount, thereby preventing damages caused by self-dismounting and maintenance of a non-professional maintenance personnel.
Description
Technical Field
The utility model belongs to the electrical equipment field, concretely relates to high tension switchgear's control device.
Background
The main function of the switch gear is to open, close, control and protect the electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of the power system, and the switch gear is suitable for various occasions such as power plants, transformer substations, plant and mining enterprises, residential quarters and the like. A circuit breaker (or a disconnector or a load switch), an operating mechanism, a transformer, various protection devices, and the like are generally installed in the switchgear. At present, there are many classification methods for switch cabinets, such as a movable switch cabinet and a fixed switch cabinet, which can be classified by a circuit breaker installation method; according to different cabinet body structures, the cabinet body can be divided into a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades.
The high-voltage switch cabinet is widely applied to places with larger power loads because of high transmission voltage level and high transmission power. Meanwhile, the high-voltage switch cabinet is provided with an operating device which has the functions of dynamic one-time simulation, high-voltage live display, circuit breaker on-off state indication, energy storage indication, grounding switch state indication, automatic heating dehumidification data display and control, trolley position indication, on-off loop complete indication and voice error prevention prompt, and the like, and has the functions of measuring power parameters and the like, so that the switch cabinet is further intelligentized and digitalized, and is convenient for users to use and operate, therefore, the high-voltage switch cabinet is widely popular in the market and can be popularized and used. Based on this, research and development investment of various manufacturers on the product is also increased continuously, and achievements are more, and the following can be seen from a patent library in the prior art in China: for example, with the publication number CN 202737580U, the technical solution of the intelligent power distribution switchgear disclosed herein discloses an input/output circuit module, a control processing module, various structural modules, and functions and connections among the modules, which are required for implementing the above functions. Patent nos. CN 203193394U and CN 203339562U disclose functional circuit module structures of intelligent control devices of switch cabinets. Patent nos. CN201178245Y and CN 203553723U disclose the structure of the intelligent control device of the switch cabinet. Although there are many advantages of the known control devices for high-voltage switchgear cabinets, the applicant has still found that they have the following disadvantages:
at present, prior art's high tension switchgear's controlling device includes front panel, back casing and fixed mounting in the circuit module of the inner chamber that back casing and front panel enclose, and simultaneously, back casing carries out fixed connection through the bolt with the front panel, and the bolt head exposes outside to be convenient for install and dismantle it. However, it is found through practice that the operation device of the high-voltage switch cabinet in the prior art is powerful, but after being used for a period of time, various faults (for example, the display of an indicator light is not flexible, a horn on a panel is noisy due to electromagnetic radiation, etc.) easily occur, so that a maintenance electrician (a non-professional maintainer) in a high-voltage switch cabinet user unit can disassemble and repair the operation device by himself, but often causes larger damage to a circuit module (because the internal circuit structure of the operation device is complicated).
In summary, the applicant considers to design an operation device of a high-voltage switch cabinet, so as to increase the concealment of the disassembly structure of the device by a simpler structure, thereby avoiding the damage caused by self-overhaul and disassembly of non-professional maintenance personnel.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a structure comparatively simple, the disguise is good and be difficult for the operating device of the high tension switchgear of being dismantled.
In order to solve the technical problem of the above electromagnetic interference, the utility model discloses a following technical scheme:
the control device of the high-voltage switch cabinet is integrally embedded on a door plate of a secondary chamber of the high-voltage switch cabinet; the circuit module comprises a front panel, a rear shell and a circuit module fixedly arranged in an inner cavity formed by the rear shell and the front panel; the front panel is provided with an analog display surface for analog display of a primary loop; the method is characterized in that: the analog display surface is a plastic panel and is fixedly adhered to the front panel; the front panel is provided with a through hole for exposing a signal lamp of the circuit module right behind the analog display surface; two sides of the front panel, which are positioned right behind the simulation display surface, are respectively provided with a transverse counter bore; a sleeve corresponding to the counter bore is transversely and fixedly arranged on the inner side surface of the rear wall of the rear shell, and an internal thread is arranged on the inner wall of the sleeve; the simulation display screen also comprises a plurality of connecting bolts which are screwed into the counter bores and the corresponding sleeves and fixedly connect the front panel with the rear shell, and the connecting bolts are positioned right behind the simulation display surface.
The utility model discloses high tension switchgear's controlling device because the sleeve pipe on counter bore and the corresponding back casing back wall medial surface of this counter bore on the front panel of front panel and back casing is realized through the fixed connection of connecting bolt screw in front panel, and the bolt head of connecting bolt falls into in the counter bore, simultaneously, paste simulation display surface again and make connecting bolt be located to the front panel directly behind the simulation display surface (preceding panel place is preceding, and back casing place is the back, the same down) to cover connecting bolt and conceal. Thereby the connecting bolt that can dismantle this controlling device shelters from through the analog display face for non professional maintainer is difficult to discover connecting bolt's bolt head, and like this, just so, with the above-mentioned comparatively simple structure increase the utility model discloses controlling device's the dismantlement degree of difficulty, and then avoid non professional maintainer to overhaul by oneself and dismantle the damage that causes.
As an improvement, the front panel is provided with a concave part which is concave towards the rear, and the length, the width and the thickness of the concave part are matched with those of the analog display surface; the simulation display surface is fixedly adhered to the concave part, and the front side surface of the simulation display surface is flush with the front side surface of the front panel.
After the scheme is implemented, the analog display surface is fixedly adhered to the concave part, and the front side surface of the analog display surface is flush with the front side surface of the front panel, so that the analog display surface is more difficult to be seen to be fixed on the front panel, and the concealment of the connecting bolt is further improved.
Preferably, the analogue display surface is made of organic glass material.
Therefore, the organic glass is one of plastic materials, has the advantages of high mechanical strength, certain heat and cold resistance, corrosion resistance, good insulating property, stable size and easiness in forming, can resist shock and is suitable for long-term use. Meanwhile, the simulation display panel has the characteristic of being crisp in texture, so that the edge of the simulation display panel is easy to pry up and is easy to find when the simulation display panel is pried and detached. Therefore, the simulation display surface is made of organic glass, so that a manufacturer can be helped to judge whether to disassemble the device by a non-professional maintainer before recovery and overhaul, and corresponding measures are taken.
As an improvement, a circle of convex strips matched with the edge of the front end of the rear shell are arranged on the back side surface of the front panel.
After adopting above-mentioned scheme, can make the outside of sand grip and the inboard of rear housing body front end edge corresponding, perhaps, also can make the inboard of this sand grip and the outside of rear housing body front end edge corresponding, just so can be convenient for aim at the front panel fast and assemble with the rear housing body to improve assembly efficiency.
As an improvement, the utility model also comprises a primary chamber automatic lighting mechanism, wherein the primary chamber automatic lighting mechanism comprises a relay and a controller in the circuit structure, an infrared sensor arranged at the lower end of the front panel, and a lamp holder and a bulb which are fixedly arranged on the inner wall of the primary chamber; the signal output end of the infrared sensor is in signal connection with the controller, and the control output end of the controller is connected with the control end of the relay; one end of a normally open contact of the relay is connected with the power supply, and the other end of the normally open contact of the relay is connected with a power line of the lamp holder through a wiring terminal.
Because the high-voltage switch cabinet is usually installed in a plurality of power distribution rooms, a user needs to perform patrol inspection on the high-voltage switch cabinet at irregular intervals to ensure the power supply reliability of the high-voltage switch cabinet. When the inspection tour is carried out, the condition (such as whether the opening and closing of the circuit breaker are normal or not, whether the grounding knife is grounded or not) in the primary chamber of the high-voltage switch cabinet needs to be checked. After implementing above-mentioned scheme, when the personnel of patrolling are close to high tension switchgear, human infrared signal is examined to infrared sensor to give the controller with this signal transmission, the controller controls the relay promptly and switches on for the bulb and throws light on to a room, thereby be convenient for the personnel of patrolling observe a room through the glass window on the door plant of a room, can improve the efficiency of patrolling the inspection. In addition, because of the patrolling personnel need not with high tension switchgear direct contact, so can avoid the condition emergence of unexpected electric shock, ensured to patrol and examine the security.
Compared with the prior art, the utility model discloses high tension switchgear's controlling device has adopted comparatively simple structure, and disguised high and difficult dismantlement, and then avoid non-professional maintainer to overhaul by oneself and dismantle the damage that causes.
Drawings
Fig. 1 is a schematic structural view of the control device of the high voltage switch cabinet of the present invention installed in the high voltage switch cabinet.
Fig. 2 is a front view of the control device of the high-voltage switch cabinet of the present invention.
Fig. 3 is an assembly schematic diagram of the control device of the high-voltage switch cabinet of the present invention.
Fig. 4 is a terminal strip wiring schematic diagram of the control device of the high-voltage switch cabinet of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: as shown in fig. 1 to 4, an operating device of a high voltage switch cabinet is integrally embedded on a door panel 201 of a secondary chamber of the high voltage switch cabinet; comprises a front panel 101, a rear shell 106 and a circuit module (not shown in the figure) fixedly arranged in an inner cavity formed by the rear shell 106 and the front panel 101; the front panel 101 is provided with an analog display surface 103 for analog display of a primary circuit; the analog display surface 103 is a plastic panel, and the analog display surface 103 is fixedly adhered to the front panel 101; a through hole (not shown) for exposing a signal lamp of the circuit module is arranged right behind the analog display surface 103 on the front panel 101; two sides of the front panel 101, which are positioned right behind the analog display surface 103, are also respectively provided with a transverse counter bore 108; a sleeve 105 corresponding to the counter bore 108 is transversely and fixedly arranged on the inner side surface of the rear wall of the rear shell 106, and the inner wall of the sleeve 105 is provided with internal threads; the display device also comprises a plurality of connecting bolts 104 which are screwed into the counter bores 108 and the corresponding sleeves 105 and fixedly connect the front panel 101 with the rear shell 106, wherein the connecting bolts 104 are positioned right behind the analog display surface 103.
The front panel 101 is provided with a concave part which is concave backwards, and the length, the width and the thickness of the concave part are matched with those of the analog display surface 103; the analog display surface 103 is fixed on the concave part in an adhering way, and the front side surface of the analog display surface 103 is flush with the front side surface of the front panel 101.
The analog display surface 103 is made of organic glass material. In specific implementation, when a manufacturer of the operating device needs to disassemble the operating device, the edge of the analog display surface 103 is also easily broken, so that after the operation is finished, one analog display surface 103 is replaced again to be adhered and fixed on the front panel 101.
The back side of the front panel 101 has a circle of protruding strips 109 matching with the front edge of the rear housing 106. In specific implementation, the outer side of the protruding strip 109 may correspond to the inner side of the front end edge of the rear housing 106, or the inner side of the protruding strip 109 may correspond to the outer side of the front end edge of the rear housing 106, so that the front panel 101 and the rear housing 106 can be aligned and assembled conveniently, and the assembly efficiency is improved.
The high-voltage switch cabinet control device of the embodiment further comprises a primary chamber automatic illumination mechanism, wherein the primary chamber automatic illumination mechanism comprises a relay (not shown in the figure) and a controller (not shown in the figure) in the circuit structure, an infrared sensor 102 arranged at the lower end of the front panel 101, and a lamp holder and a lamp bulb 205 which are fixedly arranged on the inner wall of the primary chamber; the signal output end of the infrared sensor 102 is in signal connection with the controller, and the control output end of the controller is connected with the control end of the relay; one end of a normally open contact of the relay is connected with the power supply, and the other end of the normally open contact of the relay is connected with a power line of the lamp holder through a wiring terminal.
The control device of the high-voltage switch cabinet according to the specific embodiment is implemented by fixedly connecting the front panel 101 and the rear housing 106 through the connecting bolt 104 screwed into the sleeve on the inner side surface of the rear wall of the rear housing 106 corresponding to the counter bore of the front panel 101, wherein the bolt head of the connecting bolt 104 falls into the counter bore, and meanwhile, the connecting bolt 104 is positioned right behind the simulation display surface 103 by sticking the simulation display surface 103 to the front panel 101 (the front panel 101 is in front, and the rear housing 106 is in back, and the same applies below) and covers and conceals the connecting bolt 104. Thereby will dismantle this controlling device's connecting bolt 104 and shelter from through simulation display surface 103 for non professional maintainer is difficult to discover connecting bolt 104's bolt head, like this, just so, increases with above-mentioned comparatively simple structure the utility model discloses controlling device's the dismantlement degree of difficulty, and then avoids non professional maintainer to overhaul the damage of dismantling and causing by oneself.
The analog display surface 103 is fixedly adhered to the recessed portion, and the front side surface of the analog display surface 103 is flush with the front side surface of the front panel 101, so that the analog display surface 103 is more difficult to be seen as being fixed on the front panel 101, and the concealment performance of the connecting bolt 104 is further improved.
The organic glass is made of a plastic material, has the advantages of high mechanical strength, certain heat resistance and cold resistance, corrosion resistance, good insulating property, stable size and easiness in forming, can resist shock and is suitable for long-term use. Meanwhile, the display panel has the characteristic of being crisp in texture, so that the edge of the display panel is easy to pry up and discover when the analog display surface 103 is pried and detached. Therefore, the simulation display surface 103 is made of organic glass, so that a manufacturer can be helped to judge whether to disassemble by a non-professional maintainer before recovery and overhaul, and corresponding measures are taken.
Among them, the high-voltage switch cabinets are usually installed in a plurality of power distribution rooms, and thus users are required to perform periodic inspection to ensure the reliability of power supply. When the inspection tour is carried out, the condition (such as whether the opening and closing of the circuit breaker are normal or not, whether the grounding knife is grounded or not) in the primary chamber of the high-voltage switch cabinet needs to be checked. After implementing above-mentioned scheme, when the personnel of patrolling are close to high tension switchgear, human infrared signal is examined to infrared sensor 102 to give the controller with this signal transmission, the controller controls the relay promptly and gives bulb 205 circular telegrams and throws light on to once in the room, thereby be convenient for the personnel of patrolling observe once indoor through the glass window on the door plant of a room, can improve the efficiency of patrolling the inspection. In addition, because of the patrolling personnel need not with high tension switchgear direct contact, so can avoid the condition emergence of unexpected electric shock, ensured to patrol and examine the security.
Meanwhile, in the specific implementation, the analog display and functions that the control device of the high voltage switch cabinet of the present invention can have are as follows (see fig. 1):
01 Circuit breaker closed 09 heating A indication
02 circuit breaker divide indication 10 heat up B indication
031. 032 working position indication 11 operation keyboard
041. 042 test position indication 12 energy storage knob
05 earthing switch closing indication 13 remote/local transfer switch
06 earthing switch branch indication 14 switch-off/switch-on transfer switch
07 energy storage indication 15 alarm indication
08 liquid crystal display interface 16 live display and lock
Wherein,
1. circuit breaker status display
When the breaker is switched on and the switching-off loop is intact, the red 01 simulation strip emits light;
when the circuit breaker is opened and the closing loop is intact, the green 02 simulation strip is luminous.
2. Handcart position display
Passive contact input, when the working position contact is closed; the red 031, 032 vertical analog bar lights up, indicating that the circuit breaker is in working position.
When the test position contact is closed; the green 041, 042 horizontal analog bar glows to show that the breaker is in the test position.
When the handcart is positioned between the test position and the working position; light bars 031, 032 and 041, 042 blink at the same time.
When the handcart is moved out of the switch cabinet, the red 031 and 032 and the green 041 and 042 light-emitting bars do not emit light, which indicates that the handcart is powered off.
3. Earthing switch position display
The passive contact input is closed, the red 05 vertical simulation strip emits light, and the closing of the grounding switch is displayed;
the passive contact input is disconnected, the green 06 oblique simulation strip is luminous, and the opening of the grounding switch is displayed.
4. Spring energy storage display
The passive contact input is closed and the yellow 07 indicator light illuminates to indicate that the circuit breaker has stored energy.
5. Live display and lockout function
a. LED ignition voltage (KV): three phases are charged simultaneously, and rated phase voltage is multiplied by (0.15-0.65).
b. Locking start control voltage (KV): the three phases are electrified simultaneously, and the rated phase voltage is multiplied by 0.65.
c. When the three phases are not electrified at the same time, the lamp is unlocked and lightened, and the electromagnetic lock is started to act.
6. Automatic heating and dehumidifying control and temperature and humidity digital display function
Can take 2 way temperature and humidity sensors, show site environment's humiture numerical value to the user can be as required by oneself set up heating/dehumidification/lower limit value of airing exhaust output. When the environmental humidity is greater than the upper limit value of the set humidity or the environmental temperature is less than the lower limit value of the set temperature, heating is started; when the environmental humidity is smaller than the lower limit value of the set humidity and the environmental temperature is larger than the upper limit value of the set temperature, stopping heating; when the ambient temperature is more than or equal to 50 ℃, the heating is stopped unconditionally to prevent overheating damage.
7. Manual lighting
The lighting key in the operation keyboard is pressed to manually start the lighting in the cabinet (the lighting two-character display is arranged above the display screen), and the manual lighting is turned off when the key is repeatedly pressed.
8. Intelligent voice error-prevention prompt function
a. When the circuit breaker is in a switching-on state, the handcart is pushed to the working position from the test position by mistake, and the circuit breaker is switched off by voice prompt.
b. When the handcart is pushed to a working position from a test position by mistake, the ground switch is switched on, and the handcart is prompted to be connected with the ground switch by voice.
c. The circuit breaker is in a switching-on state, the grounding switch is in a switching-on state, and when the handcart is pushed to a working position from a test position by mistake, the voice prompts that the circuit breaker is required to be disconnected and the grounding switch is required to be disconnected.
d. When the cabinet main loop is powered on, the voice prompts that the loop is electrified.
9. Switching function
The panel of the device is provided with an operating switch such as an opening/closing transfer switch (or button), a remote/local transfer switch, an energy storage switch and the like, thereby facilitating the operation of a user.
10. Communication function
The RS485 interface, the communication baud rate can be set to 1200 bps-9600 bps; for reading device data and parameters.
11. Temperature and humidity sensor alarm function
When the temperature and humidity sensor on the A path is not in contact with the temperature and humidity sensor, the temperature and the humidity can be displayed;
when the temperature and humidity sensor on the B path is not in contact with the temperature and humidity sensor, the temperature and the humidity can be displayed.
The above detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, which are the best embodiments of the present invention, but the present invention is not limited to the above embodiments. All equivalent substitutions in the structure of the invention are deemed to be infringement of the invention within the knowledge of a person skilled in the art.
Claims (5)
1. The control device of the high-voltage switch cabinet is integrally embedded on a door plate of a secondary chamber of the high-voltage switch cabinet; the circuit module comprises a front panel, a rear shell and a circuit module fixedly arranged in an inner cavity formed by the rear shell and the front panel; the front panel is provided with an analog display surface for analog display of a primary loop; the method is characterized in that: the analog display surface is a plastic panel and is fixedly adhered to the front panel; the front panel is provided with a through hole for exposing a signal lamp of the circuit module right behind the analog display surface; two sides of the front panel, which are positioned right behind the simulation display surface, are respectively provided with a transverse counter bore; a sleeve corresponding to the counter bore is transversely and fixedly arranged on the inner side surface of the rear wall of the rear shell, and an internal thread is arranged on the inner wall of the sleeve; the simulation display screen also comprises a plurality of connecting bolts which are screwed into the counter bores and the corresponding sleeves and fixedly connect the front panel with the rear shell, and the connecting bolts are positioned right behind the simulation display surface.
2. The control device of a high-voltage switchgear cabinet as claimed in claim 1, characterized in that: the front panel is provided with a concave part which is concave backwards, and the length, the width and the thickness of the concave part are matched with those of the analog display surface; the simulation display surface is fixedly adhered to the concave part, and the front side surface of the simulation display surface is flush with the front side surface of the front panel.
3. The control device of a high-voltage switchgear cabinet as claimed in claim 1 or 2, characterized in that: the simulation display surface is made of organic glass materials.
4. The control device of a high-voltage switchgear cabinet as claimed in claim 1 or 2, characterized in that: the back side surface of the front panel is provided with a circle of convex strips matched with the edge of the front end of the rear shell.
5. The control device of a high-voltage switchgear cabinet as claimed in claim 1 or 2, characterized in that: the automatic primary chamber lighting mechanism comprises a relay and a controller in the circuit structure, an infrared sensor arranged at the lower end of the front panel, a lamp holder and a bulb, wherein the lamp holder and the bulb are fixedly arranged on the inner wall of the primary chamber; the signal output end of the infrared sensor is in signal connection with the controller, and the control output end of the controller is connected with the control end of the relay; one end of a normally open contact of the relay is connected with the power supply, and the other end of the normally open contact of the relay is connected with a power line of the lamp holder through a wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420242755.8U CN203826840U (en) | 2014-05-13 | 2014-05-13 | Control device of high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420242755.8U CN203826840U (en) | 2014-05-13 | 2014-05-13 | Control device of high voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826840U true CN203826840U (en) | 2014-09-10 |
Family
ID=51482304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420242755.8U Expired - Fee Related CN203826840U (en) | 2014-05-13 | 2014-05-13 | Control device of high voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826840U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342539A (en) * | 2017-03-22 | 2017-11-10 | 安徽富煌电控设备有限公司 | A kind of Anti-misoperation high-voltage switch cabinet |
| CN109659841A (en) * | 2018-12-19 | 2019-04-19 | 达实电力建设有限公司 | A kind of isolation cabinet secondary connection circuit |
| CN110332493A (en) * | 2019-05-23 | 2019-10-15 | 贵州电网有限责任公司 | Substation's night inspection lighting device |
-
2014
- 2014-05-13 CN CN201420242755.8U patent/CN203826840U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342539A (en) * | 2017-03-22 | 2017-11-10 | 安徽富煌电控设备有限公司 | A kind of Anti-misoperation high-voltage switch cabinet |
| CN109659841A (en) * | 2018-12-19 | 2019-04-19 | 达实电力建设有限公司 | A kind of isolation cabinet secondary connection circuit |
| CN109659841B (en) * | 2018-12-19 | 2020-06-26 | 达实电力建设有限公司 | Secondary wiring circuit of isolation cabinet |
| CN110332493A (en) * | 2019-05-23 | 2019-10-15 | 贵州电网有限责任公司 | Substation's night inspection lighting device |
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