CN114627605A - Multifunctional electrical fire detector - Google Patents
Multifunctional electrical fire detector Download PDFInfo
- Publication number
- CN114627605A CN114627605A CN202210282356.3A CN202210282356A CN114627605A CN 114627605 A CN114627605 A CN 114627605A CN 202210282356 A CN202210282356 A CN 202210282356A CN 114627605 A CN114627605 A CN 114627605A
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- China
- Prior art keywords
- ring assembly
- half ring
- lower half
- upper half
- cable
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- 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.)
- Pending
Links
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
Abstract
The invention provides a multifunctional electrical fire detector, comprising: the device comprises a signal processing module, an upper half ring assembly and a lower half ring assembly, wherein the upper half ring assembly is hinged with one end of the lower half ring assembly, and the upper half ring assembly is detachably and fixedly connected with the other end of the lower half ring assembly; windings are arranged inside the upper half ring assembly and the lower half ring assembly, a wiring terminal electrically connected with the windings is fixedly arranged on one side of the lower half ring assembly, and the signal processing module is electrically connected with the wiring terminal through a lead; a cable supporting part is fixedly arranged on one side of the lower half ring assembly, and a cable clamping part which is matched with the cable supporting part to clamp or release the cable is fixedly arranged on one side of the upper half ring assembly; the upper half ring assembly and the lower half ring assembly are conveniently sleeved outside the connected cable, and then the upper half ring assembly and the lower half ring assembly are connected at the detachable ends, so that the cable is convenient to add and use.
Description
Technical Field
The invention belongs to the technical field of fire detectors, and particularly relates to a multifunctional electrical fire detector.
Background
In an electrical fire monitoring system, a residual current type electrical fire detector is a main sensing component and consists of a residual current transformer, a signal processing module and a connecting wire between the residual current transformer and the signal processing module, and in order to ensure the reliability of a product in practical application, a short circuit or open circuit fault of a connecting wire of the transformer must be monitored.
In the prior art, as disclosed in chinese patent publication No. CN106291226B, an electrical fire detector is disclosed, which includes a residual current transformer, the residual current transformer and a signal processing module are connected by a snap-fit portion, a groove is formed in the signal processing module, and a protrusion is formed in the residual current transformer corresponding to the groove. This buckle structure has replaced residual current transformer and signal processing module integral structure among the prior art, and the lead wire is corresponding to wear to locate between residual current transformer and the signal processing module, and this buckle portion can make the lead wire become the shortest, has reduced interfering signal, further improves monitoring accuracy, little consumption and quick response. And a through groove for laying a cable or a copper bar is arranged on the residual current transformer, and the through groove is circular or oval.
In above-mentioned prior art, the annular structure of residual current transformer formula as an organic whole closed needs to pass the wiring again after residual current transformer is inside with the cable before the wiring. And when adding residual current transformer to the cable outside of having accomplished the wiring, need earlier dismantle the separation from the terminal with the cable, pass the wiring again behind residual current transformer with the cable again. Usually, 3 or 4 cables are worn inside a residual current transformer, 3 or 4 cable ends need to be dismantled earlier to addding the residual current transformer to the cable outside of having accomplished the wiring, and the process is comparatively loaded down with trivial details, is not convenient for add the use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a multifunctional electrical fire detector which is convenient to be additionally used.
The technical scheme of the invention is as follows: a multi-functional electrical fire detector, comprising: the device comprises a signal processing module, an upper half ring assembly and a lower half ring assembly, wherein the upper half ring assembly is hinged with one end of the lower half ring assembly, and the upper half ring assembly is detachably and fixedly connected with the other end of the lower half ring assembly; a winding is arranged inside the upper semi-ring assembly and the lower semi-ring assembly, a wiring terminal electrically connected with the winding is fixedly arranged on one side of the lower semi-ring assembly, and the signal processing module is electrically connected with the wiring terminal through a conducting wire; and a cable supporting part is fixedly arranged on one side of the lower half ring assembly, and a cable clamping part which is matched with the cable supporting part to clamp or release the cable is fixedly arranged on one side of the upper half ring assembly.
The cable supporting part is provided with a lower support plate fixed on one side of the lower semi-ring assembly, the top of the lower support plate is provided with a support plate through a support rod in a supporting mode, and the support plate is uniformly provided with support wire grooves; the cable clamping part is provided with a clamping plate corresponding to the branch board and a lifting mechanism driving the clamping plate to move up and down, and the clamping plate is provided with a wire clamping groove corresponding to the branch board.
The lifting mechanism is provided with an upper supporting plate fixed on the side face of the upper semi-ring assembly, guide rods are arranged at two ends of the upper supporting plate in a sliding mode, the bottom ends of the guide rods are fixedly connected with the top of the clamping plate, a screw rod is connected to the middle of the upper supporting plate in a threaded mode, the bottom end of the screw rod is rotatably connected with the top of the clamping plate, and an anti-skidding handle is fixedly arranged at the top of the screw rod.
The branch line groove and the line clamping groove are semicircular grooves with the same diameter.
And buffering cushions are fixedly arranged on the inner sides of the branch line groove and the wire clamping groove.
One side of the upper semi-ring assembly and one side of the lower semi-ring assembly are provided with tension springs, one ends of the tension springs are connected with the upper semi-ring assembly, and the other ends of the tension springs are connected with the lower semi-ring assembly.
One end of the upper half ring assembly is fixedly provided with an upper connecting plate, one end of the lower half ring assembly is fixedly provided with a lower connecting plate corresponding to the upper connecting plate, and the upper connecting plate is detachably and fixedly connected with the lower connecting plate through a connecting bolt.
The inner part of the upper half ring component is provided with an upper half iron core, the inner part of the lower half ring component is provided with a lower half iron core, and the outer sides of the upper half iron core and the lower half iron core are provided with windings.
The bottom of the lower half ring component is fixedly provided with a base.
The bottom of the signal processing module is provided with a dovetail groove, and one side of the top of the upper half ring assembly is fixedly provided with a dovetail clamping block matched with the dovetail groove.
The invention has the beneficial effects that:
(1) in the invention, the upper half ring assembly is hinged with one end of the lower half ring assembly, and the other end of the upper half ring assembly and the other end of the lower half ring assembly are detachably and fixedly connected, so that one ends of the upper half ring assembly and the lower half ring assembly can be detached and separated, and one end of the upper half ring assembly is turned upwards and opened, so that the upper half ring assembly and the lower half ring assembly can be conveniently sleeved outside a connected cable, and then the upper half ring assembly and the detachable end of the lower half ring assembly are connected, so that the additional use is convenient;
(2) when the upper half ring assembly and the lower half ring assembly are sleeved on the outer side of the cable, the cable can be fixed neatly through the matching of the cable supporting part and the cable clamping part, other devices for fixing the cable do not need to be additionally arranged, the cables are prevented from being wound and abraded mutually, and the cables are kept neat and attractive.
Drawings
FIG. 1 is a schematic view showing a structure of a multifunctional electrical fire detector according to the present invention.
FIG. 2 is a second schematic view of the multifunctional electrical fire detector of the present invention.
Fig. 3 is a third structural schematic diagram of the multifunctional electrical fire detector of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 3, the multifunctional electrical fire detector includes: the semi-ring assembly comprises a signal processing module 4, an upper semi-ring assembly 1 and a lower semi-ring assembly 2, wherein the upper semi-ring assembly 1 is hinged with one end of the lower semi-ring assembly 2, and the upper semi-ring assembly 1 is detachably and fixedly connected with the other end of the lower semi-ring assembly 2; a winding 23 is arranged inside the upper half ring assembly 1 and the lower half ring assembly 2, a wiring terminal 31 electrically connected with the winding 23 is fixedly arranged on one side of the lower half ring assembly 2, and the signal processing module 4 is electrically connected with the wiring terminal 31 through a conducting wire, so that the signal processing module 4 can acquire an electric signal; a cable supporting part 5 is fixedly arranged on one side of the lower half ring component 2, and a cable clamping part 6 which is matched with the cable supporting part 5 to clamp or release the cable is fixedly arranged on one side of the upper half ring component 1; in the embodiment, the upper half ring assembly 1 is hinged with one end of the lower half ring assembly 2, the other end of the upper half ring assembly 1 is detachably and fixedly connected with the other end of the lower half ring assembly 2, so that one ends of the upper half ring assembly 1 and the lower half ring assembly 2 can be detached and separated, one end of the upper half ring assembly 1 is turned upwards and opened, the upper half ring assembly 1 and the lower half ring assembly 2 are conveniently sleeved on the outer side of a connected cable, and then the detachable ends of the upper half ring assembly 1 and the lower half ring assembly 2 are connected, so that the additional use is facilitated; when the upper half ring assembly 1 and the lower half ring assembly 2 are sleeved on the outer side of the cable, the cable can be fixed neatly by matching the cable supporting part 5 with the cable clamping part 6, other devices for fixing the cable do not need to be additionally arranged, mutual winding and abrasion between the cables are prevented, and the cable is kept neat and attractive.
As a specific embodiment of the cable supporting part 5 and the cable clamping part 6, the cable supporting part 5 and the cable clamping part 6 are both made of plastic materials, the cable supporting part 5 has a lower supporting plate 51 fixed on one side of the lower semi-ring assembly 2, a supporting plate 53 is supported and arranged on the top of the lower supporting plate 51 through a supporting rod 52, and supporting slots 54 are uniformly formed on the supporting plate 53; the cable clamping portion 6 is provided with a clamping plate 62 corresponding to the branch board 53 and a lifting mechanism for driving the clamping plate 62 to move up and down, the clamping plate 62 is provided with a clamping groove 63 corresponding to the branch groove 54, the clamping plate 62 is driven by the lifting mechanism to move up and down, and when the clamping plate 6 moves down to be in contact with the branch board 53, a cable between the clamping plate 6 and the branch board 53 can be fixed.
As a specific embodiment of the lifting mechanism, the lifting mechanism has an upper supporting plate 61 fixed on the side of the upper half ring assembly 1, two ends of the upper supporting plate 61 are slidably provided with guide rods 64, the bottom end of each guide rod 64 is fixedly connected with the top of the clamping plate 62, the middle part of the upper supporting plate 61 is in threaded connection with a screw rod 65, the bottom end of the screw rod 65 is rotatably connected with the top of the clamping plate 62, the screw rods 65 are rotated, the screw rods 65 are matched with the upper supporting plate 61 through threaded structures between the screw rods 65 and the upper supporting plate 61, the screw rods 65 can be driven to move up and down relative to the upper supporting plate 61, so that the clamping plate 62 is driven to move up and down, the top of the screw rods 65 is fixedly provided with an anti-slip handle 66, and the screw rods 65 are conveniently rotated and adjusted through the anti-slip handle 66.
In some embodiments, the branch line grooves 54 are semi-circular grooves having the same diameter as the pinch line grooves 63; 3 or 4 branch grooves 54 are uniformly formed in the branch plate 53, wire clamping grooves which correspond to the branch grooves 54 in the branch plate 53 one to one are formed in the wire clamping plate 62, and circular holes for fixing cables are defined between the branch grooves 54 and the wire clamping grooves 63.
In some embodiments, the branch line groove 54 and the wire clamping groove 63 are both fixedly provided with a buffer pad 55, the buffer pad 55 is a U-shaped rubber pad and is fixed inside the corresponding groove in an adhesion manner, and the buffer effect of the buffer pad 55 can prevent the cable from being damaged by pressure in the process of fixing the cable.
In some embodiments, a tension spring 7 is disposed on one side of the upper half ring assembly 1 and one side of the lower half ring assembly 2, one end of the tension spring 7 is connected to the upper half ring assembly 1, the other end of the tension spring 7 is connected to the lower half ring assembly 2, the upper half ring assembly 1 and the lower half ring assembly 2 always have a closing trend under the elastic force action of the tension spring 7, and when the upper half ring assembly 1 and the lower half ring assembly 2 are sleeved on the outer side of a cable, the upper half ring assembly 1 and the lower half ring assembly 2 can be automatically closed under the elastic force action of the tension spring 7, so that the upper half ring assembly 1 and the lower half ring assembly 2 can be conveniently connected and fixed.
In some embodiments, an upper connecting plate 12 is fixedly disposed at one end of the upper half ring assembly 1, a lower connecting plate 21 corresponding to the upper connecting plate 12 is fixedly disposed at one end of the lower half ring assembly 2, and the upper connecting plate 12 and the lower connecting plate 21 are detachably and fixedly connected through a connecting bolt 13.
In some embodiments, the upper half ring assembly 1 is provided with an upper half core 14 inside, the lower half ring assembly 2 is provided with a lower half core 22 inside, the outer sides of the upper half core 14 and the lower half core 22 are provided with a winding 23, two ends of the upper half core 14 are respectively in contact communication with two ends of the lower half core 22 after the upper half ring assembly 1 and the lower half ring assembly 2 are closed, one end of the winding 23 is wound from one end of the upper half core 14 close to the upper connecting plate 12 to the other end, then enters the lower half ring assembly from the hinge joint between the upper half core 14 and the lower half core 22 and is wound from one end of the lower half core 22 to the other end, and finally is communicated with a connecting terminal; the other end of the winding 23 is directly inserted into a hinge between the upper half iron core 14 and the lower half iron core 22 along the upper half iron core 1 without winding the iron core inside the upper half iron core 1, the winding 23 is reserved with a certain length at the hinge, and the interference on the opening of the upper half iron core 1 is avoided.
In some embodiments, a base 3 is fixedly disposed on the bottom of the lower half-ring component 2, and the base 3 and the lower half-ring component 2 are of an integral structure.
In some embodiments, the bottom of the signal processing module 4 is provided with a dovetail groove 41, and one side of the top of the upper half ring assembly 1 is fixedly provided with a dovetail block 11 matched with the dovetail groove 41.
Thus, various embodiments of the present invention have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The above-mentioned embodiments only express some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A multi-functional electrical fire detector, comprising:
the device comprises a signal processing module, an upper half ring assembly and a lower half ring assembly, wherein the upper half ring assembly is hinged with one end of the lower half ring assembly, and the upper half ring assembly is detachably and fixedly connected with the other end of the lower half ring assembly;
windings are arranged inside the upper half ring assembly and the lower half ring assembly, a wiring terminal electrically connected with the windings is fixedly arranged on one side of the lower half ring assembly, and the signal processing module is electrically connected with the wiring terminal through a lead;
and a cable supporting part is fixedly arranged on one side of the lower half ring assembly, and a cable clamping part which is matched with the cable supporting part to clamp or release the cable is fixedly arranged on one side of the upper half ring assembly.
2. A multi-functional electrical fire detector as recited in claim 1, wherein: the cable supporting part is provided with a lower support plate fixed on one side of the lower semi-ring assembly, the top of the lower support plate is provided with a support plate through a support rod in a supporting mode, and the support plate is uniformly provided with support wire grooves; the cable clamping part is provided with a clamping plate corresponding to the branch board and a lifting mechanism driving the clamping plate to move up and down, and the clamping plate is provided with a clamping groove corresponding to the branch board.
3. A multi-functional electrical fire detector as recited in claim 2, wherein: the lifting mechanism is provided with an upper supporting plate fixed on the side face of the upper semi-ring assembly, guide rods are arranged at two ends of the upper supporting plate in a sliding mode, the bottom ends of the guide rods are fixedly connected with the top of the clamping plate, a screw rod is connected to the middle of the upper supporting plate in a threaded mode, the bottom end of the screw rod is rotatably connected with the top of the clamping plate, and an anti-skidding handle is fixedly arranged at the top of the screw rod.
4. A multi-functional electrical fire detector as recited in claim 2, wherein: the branch line groove and the line clamping groove are semicircular grooves with the same diameter.
5. A multi-functional electrical fire detector as recited in claim 2, wherein: and buffering cushions are fixedly arranged on the inner sides of the branch line groove and the wire clamping groove.
6. A multi-functional electrical fire detector as recited in claim 1, wherein: one side of the upper semi-ring assembly and one side of the lower semi-ring assembly are provided with tension springs, one ends of the tension springs are connected with the upper semi-ring assembly, and the other ends of the tension springs are connected with the lower semi-ring assembly.
7. A multi-functional electrical fire detector as recited in claim 1, wherein: one end of the upper half ring assembly is fixedly provided with an upper connecting plate, one end of the lower half ring assembly is fixedly provided with a lower connecting plate corresponding to the upper connecting plate, and the upper connecting plate is detachably and fixedly connected with the lower connecting plate through a connecting bolt.
8. A multi-functional electrical fire detector as recited in claim 1, wherein: the inner part of the upper half ring component is provided with an upper half iron core, the inner part of the lower half ring component is provided with a lower half iron core, and the outer sides of the upper half iron core and the lower half iron core are provided with windings.
9. A multi-functional electrical fire detector as defined in claim 1, wherein: the bottom of the lower half ring component is fixedly provided with a base.
10. A multi-functional electrical fire detector as recited in claim 1, wherein: the bottom of the signal processing module is provided with a dovetail groove, and one side of the top of the upper half ring assembly is fixedly provided with a dovetail clamping block matched with the dovetail groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210282356.3A CN114627605A (en) | 2022-03-22 | 2022-03-22 | Multifunctional electrical fire detector |
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CN202210282356.3A CN114627605A (en) | 2022-03-22 | 2022-03-22 | Multifunctional electrical fire detector |
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CN114627605A true CN114627605A (en) | 2022-06-14 |
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CN202210282356.3A Pending CN114627605A (en) | 2022-03-22 | 2022-03-22 | Multifunctional electrical fire detector |
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Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203165661U (en) * | 2013-04-01 | 2013-08-28 | 深圳市德派森科技发展有限公司 | Zero sequence current transformer |
CN103530972A (en) * | 2013-10-25 | 2014-01-22 | 黑龙江安吉斯物联网科技开发有限公司 | Buckling open-close residual current transformer based on electric fire detector |
CN105575595A (en) * | 2016-01-15 | 2016-05-11 | 胡妍 | Zero-sequence current transformer |
CN106291226A (en) * | 2016-07-27 | 2017-01-04 | 北大青鸟环宇消防设备股份有限公司 | Residual current transformer failure detector circuit and electrical fire-detector |
CN209029232U (en) * | 2018-11-24 | 2019-06-25 | 北京华强诚信电器有限公司 | Facilitate fixed current transformer |
CN209912709U (en) * | 2019-07-23 | 2020-01-07 | 乐清市夏森电气科技有限公司 | Open-close type current transformer |
CN210015776U (en) * | 2019-06-18 | 2020-02-04 | 国网湖北省电力有限公司荆门供电公司 | Adjustable split current transformer |
CN211404277U (en) * | 2020-03-16 | 2020-09-01 | 北京华强诚信电器有限公司 | Current transformer convenient for fixing and measuring lead |
CN211479841U (en) * | 2020-03-18 | 2020-09-11 | 北京华强诚信电器有限公司 | Current transformer convenient for fixing wire |
CN211604899U (en) * | 2019-12-06 | 2020-09-29 | 青海立瞻物联科技有限公司 | Novel residual current transformer |
CN212485122U (en) * | 2020-06-18 | 2021-02-05 | 宜兴市中瑞电子科技有限公司 | Direct-insertion type current transformer |
CN213124127U (en) * | 2020-07-15 | 2021-05-04 | 天津市泰莱电力设备技术有限公司 | Novel current transformer |
CN213691734U (en) * | 2020-12-30 | 2021-07-13 | 四川四变互感器有限公司 | Open-close type current transformer |
CN214410962U (en) * | 2021-01-09 | 2021-10-15 | 山东木星电气有限公司 | Intelligent residual current transformer |
CN215116479U (en) * | 2021-05-17 | 2021-12-10 | 金华市奥凯电器有限公司 | Current transformer with fault detection device |
-
2022
- 2022-03-22 CN CN202210282356.3A patent/CN114627605A/en active Pending
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203165661U (en) * | 2013-04-01 | 2013-08-28 | 深圳市德派森科技发展有限公司 | Zero sequence current transformer |
CN103530972A (en) * | 2013-10-25 | 2014-01-22 | 黑龙江安吉斯物联网科技开发有限公司 | Buckling open-close residual current transformer based on electric fire detector |
CN105575595A (en) * | 2016-01-15 | 2016-05-11 | 胡妍 | Zero-sequence current transformer |
CN106291226A (en) * | 2016-07-27 | 2017-01-04 | 北大青鸟环宇消防设备股份有限公司 | Residual current transformer failure detector circuit and electrical fire-detector |
CN209029232U (en) * | 2018-11-24 | 2019-06-25 | 北京华强诚信电器有限公司 | Facilitate fixed current transformer |
CN210015776U (en) * | 2019-06-18 | 2020-02-04 | 国网湖北省电力有限公司荆门供电公司 | Adjustable split current transformer |
CN209912709U (en) * | 2019-07-23 | 2020-01-07 | 乐清市夏森电气科技有限公司 | Open-close type current transformer |
CN211604899U (en) * | 2019-12-06 | 2020-09-29 | 青海立瞻物联科技有限公司 | Novel residual current transformer |
CN211404277U (en) * | 2020-03-16 | 2020-09-01 | 北京华强诚信电器有限公司 | Current transformer convenient for fixing and measuring lead |
CN211479841U (en) * | 2020-03-18 | 2020-09-11 | 北京华强诚信电器有限公司 | Current transformer convenient for fixing wire |
CN212485122U (en) * | 2020-06-18 | 2021-02-05 | 宜兴市中瑞电子科技有限公司 | Direct-insertion type current transformer |
CN213124127U (en) * | 2020-07-15 | 2021-05-04 | 天津市泰莱电力设备技术有限公司 | Novel current transformer |
CN213691734U (en) * | 2020-12-30 | 2021-07-13 | 四川四变互感器有限公司 | Open-close type current transformer |
CN214410962U (en) * | 2021-01-09 | 2021-10-15 | 山东木星电气有限公司 | Intelligent residual current transformer |
CN215116479U (en) * | 2021-05-17 | 2021-12-10 | 金华市奥凯电器有限公司 | Current transformer with fault detection device |
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