CN204613269U - A kind of integrated-type intelligent ammeter terminal base - Google Patents
A kind of integrated-type intelligent ammeter terminal base Download PDFInfo
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- CN204613269U CN204613269U CN201520212764.7U CN201520212764U CN204613269U CN 204613269 U CN204613269 U CN 204613269U CN 201520212764 U CN201520212764 U CN 201520212764U CN 204613269 U CN204613269 U CN 204613269U
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Abstract
The utility model discloses a kind of integrated-type intelligent ammeter terminal base, comprise pedestal and case, described pedestal is provided with forceful electric power terminal, relay, mutual inductor, shunt, voltage dependent resistor (VDR), metering units installs station, each station is separately installed with forceful electric power terminal, relay, mutual inductor, shunt, voltage dependent resistor (VDR) and metering units, the utility model incorporates strong and weak electricity terminal, shunt, relay, mutual inductor, voltage dependent resistor (VDR), metering units six functions are in one, directly be connected with ammeter control module by card extender, achieve integrated mechanical erection, compact conformation, precisely fixing, connect reliable, debug easy, use safety, improve production automation degree, production efficiency is high.
Description
Technical field
The utility model belongs to ammeter technical field, particularly relates to a kind of integrated-type intelligent ammeter terminal base.
Background technology
Existing electricity meter terminal block structure mainly contains two kinds of versions: split-type structural, integrated structure.
Split-type structural feature is that structure is simple, and all parts fixed with terminal base all adopt partial installation mode, and under long-term work, easy production part distortion, causes product failure; And assembly process is complicated, not easily realizes robotization; Current sampling circuit includes shunt and relay, and link circuit is long, and mounting process is complicated, and during big current, hot polymerization point is many, and reliable long-term working reduces; In parts assembling process, the connection between parts is fixed by securing member, requires high to the fastening torsion of screw and nut, there is contact unreliable factor; Metering sampling in intelligent electric meter is tediously long random because going between, and is easily subject to the interference of externally-applied magnetic field, causes the distortion of error in dipping; Mutual inductor is designed to general part design, installs complexity, volume is large, cost is high.
Integrated structure feature is a kind of novel ammeter terminal structure form, overcomes the multinomial shortcoming of above-mentioned split-type structural.Ammeter sampling, protection, the control assemblies such as shunt, relay, mutual inductor, metering units, voltage dependent resistor (VDR) are adopted integrated design; by connected modes such as pressure, riveting, welderings; realize the compact connection of each parts, improve the reliability of whole terminal base.
Utility model content
The purpose of this utility model is to provide a kind of integrated-type intelligent ammeter terminal base, and this integrated-type intelligent ammeter terminal base can realize integrated mechanical erection, compact conformation, precisely fixing, connect reliable, debug easy, use safety, improve production automation degree, production efficiency is high.
For achieving the above object, a kind of integrated-type intelligent ammeter of the utility model terminal base, the case comprising pedestal and be fixedly connected with pedestal, the upper surface of described pedestal is provided with four forceful electric power terminals and installs station, relay installation station, mutual inductor installation station, shunt installation station, install on station at four forceful electric power terminals and be separately installed with four forceful electric power terminals A, B, C, D in order, install on station and mutual inductor installation station at relay and be separately installed with relay and mutual inductor, the shunt shunt be arranged between forceful electric power terminal A and B is installed on station; Be provided with metering units at the back side of pedestal and station is installed, tighten at metering units installation station the back side being affixed on pedestal and be installed with metering units; It is characterized in that: be also provided with voltage dependent resistor (VDR) at the upper surface of pedestal and station is installed, install on station in voltage dependent resistor (VDR) and insert voltage dependent resistor (VDR), and reliably locate; Described forceful electric power terminal A, B, C, D are individually fixed in station corresponding to pedestal, and by realizing being connected with the metering units at the pedestal back side with the fixing plug pin of its crimping; Described shunt is connected with the movable contact spring of forceful electric power terminal A and relay respectively, one end of the movable contact spring of relay is connected with shunt, the other end of movable contact spring is fixed with moving contact, the stationary contact corresponding with the position of moving contact is directly fixed on forceful electric power terminal B, relay realizes the connection between forceful electric power terminal A and B by the direct contact between moving contact and stationary contact, described relay adopts relay drive unit to drive, and relay drive unit contacts with the movable contact spring of relay and connects; Metering units at the pedestal back side is connected with forceful electric power terminal, relay, mutual inductor, shunt, voltage dependent resistor (VDR) respectively by the mode of welding, pedestal is provided with card extender hole slot, in card extender hole slot, be provided with card extender, metering units realizes the physical connection with ammeter control module by card extender; Case is provided with multiple light current terminal and installs station, corresponding light current terminal is fixedly mounted in station, and described light current terminal is by realizing being connected with ammeter control module with the right angle seven word contact pin of its crimping.
Preferentially, described pedestal is connected with cassette with case; Be equipped with tenon in the two sides of pedestal, be provided with tongue-and-groove, and be provided with limited bayonet at the correspondence position of the two sides of case, case and pedestal realize cassette by tenon and tongue-and-groove and are located by connecting.
Preferentially, one end of described shunt directly adopts soldering or ultrasonic soldering mode, realizes direct connection of shunt and forceful electric power terminal A; The shunt other end adopts the mode of riveted joint or directly welding, realizes being connected with the direct of relay movable reed, and described shunt is by its realization of sampling connector and being welded to connect of metering units.
Preferentially, described relay drive unit adopts standardized designs mode, relay drive unit comprises magnetic and keeps driver element or electric motor type driver element, pedestal utilizes die insert mode of exchanging realize magnetic and keeps the exchange of driver element and electric motor type driver element compatible.
Preferentially, described relay drive unit is that magnetic keeps driver element; Described magnetic keeps driver element to comprise yoke, drive coil, permanent magnet, dynamic iron core, catch bar; Described dynamic iron core one end is arranged in the cylindrical hole of relay coil support, the other end is threaded with catch bar, described catch bar is contacted with the movable contact spring of relay by resistant to elevated temperatures brace in insertion catch bar and connects, by the positive and negative energising of drive coil, iron core is moved up and down, drives brace by connected catch bar, brace drives movable contact spring, realize moving up and down of moving contact, complete the closed disconnection in relay current loop.
Preferentially, described relay drive unit is electric motor type driver element; Described electric motor type driver element comprises motor, worm screw, worm gear, covering of the fan promotion gear; Adopt worm and gear principle, utilize the rotation of motor to realize promoting covering of the fan the transmission of moving back and forth of gear and power.Driven by motor is rotated by worm screw together, and worm and wheel undergear engages, and realizes first order speed change; The upper gear of worm gear and covering of the fan promote gears meshing, realize second level speed change, described covering of the fan promotion gear is contacted with the movable contact spring of relay by resistant to elevated temperatures brace and connects, described brace inserts covering of the fan and promotes in gear, the rotation of gear is promoted by covering of the fan, with the movable contact spring knee-action of motor type relay, then realize adhesive up and down and the release of relay movable reed contact; The occlusal surface of described worm thread is provided with certain inclination angle, by the ingehious design to worm thread occlusal surface inclination angle, realizes the self-locking to worm gear; Described worm gear and covering of the fan promote gear and all adopt single shaft to fix.
Preferentially, described resistant to elevated temperatures brace is by special panel beating or ceramic or draw point parts making.
Preferentially, described voltage dependent resistor (VDR) is directly connected by welding with the metering units at the pedestal back side, achieves the protection nearby of metering circuit, meets the Electro Magnetic Compatibility requirement of ammeter better.
Preferentially, in the shunt sampling circuit of the metering units at the pedestal back side, demagnetization plate is installed.
Preferentially, described mutual inductor locates shell using pedestal as it, and the punching pitman in mutual inductor adopts the mode of colding pressing or welding to be fixed on pedestal between forceful electric power terminal C and D, and mutual inductor coil is connected with metering units.
In technique scheme, the utility model has following beneficial effect: first, the integration degree of ammeter structure member is high, the utility model incorporates ammeter strong and weak electricity terminal, shunt, relay, mutual inductor, voltage dependent resistor (VDR), metering units six functions in one, decreases a large amount of subsequent assemblies.The second, adopt the technique connected modes such as pressure, riveting, weldering, make the connection between each parts reliable, accurate positioning.3rd, structure is simplified, and debugging is convenient, easy and simple to handle, all adopts hard connecting mode, easily realizes automated manufacturing, enhance productivity.4th, metering units is close to the pedestal back side and is fixed, and is connected, compact conformation, decreases follow-up installation procedure, improve integrated efficiency by terminal block with ammeter control module, reduces man-made fault; 5th, the light current terminal on case and ammeter control module contact pin are directly rigidly connected, easy to operate, secure and reliable connection.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of integrated-type intelligent ammeter of the utility model terminal base;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the perspective view of pedestal in a kind of integrated-type intelligent ammeter of the utility model terminal base;
Fig. 5 is the structure schematic diagram of Fig. 4;
Fig. 6 is the structural representation of a kind of case in a kind of integrated-type intelligent of the utility model ammeter terminal base;
Fig. 7 is the structural representation of a kind of pedestal carrying out Y-direction assembling with Fig. 6;
Fig. 8 is the structural representation of another kind of case in a kind of integrated-type intelligent of the utility model ammeter terminal base;
Fig. 9 is the structural representation of the another kind of pedestal carrying out Z-direction assembling with Fig. 8;
Figure 10 is the syndeton schematic diagram of shunt in a kind of integrated-type intelligent ammeter of the utility model terminal base;
Figure 11 is the structural representation that in a kind of integrated-type intelligent ammeter of the utility model terminal base, magnetic keeps driver element;
Figure 12 is the structural representation of electric motor type driver element in a kind of integrated-type intelligent ammeter of the utility model terminal base;
Figure 13 is the structural representation that in a kind of integrated-type intelligent ammeter of the utility model terminal base, pedestal and metering units assemble.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with figure and embodiment, a kind of integrated-type intelligent ammeter of the utility model terminal base is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In the present embodiment, can be found out by Fig. 1-Figure 13, the upper surface of pedestal 1 is provided with four forceful electric power terminals station, relay installation station, mutual inductor installation station, shunt installation station are installed, install on station at four forceful electric power terminals and be separately installed with four forceful electric power terminals A, B, C, D in order, install on station and mutual inductor installation station at relay and be separately installed with relay 3 and mutual inductor 4, shunt 5 shunt be arranged between forceful electric power terminal A and B is installed on station; Be provided with metering units at the back side of pedestal 1 and station is installed; tighten at metering units installation station the back side being affixed on pedestal 1 and be installed with metering units 6; also be provided with voltage dependent resistor (VDR) at the upper surface of pedestal 1 and station is installed; install on station in voltage dependent resistor (VDR) and insert voltage dependent resistor (VDR) 7; and realize reliable location; by arranging voltage dependent resistor (VDR) 7, achieving the protection nearby of metering circuit, meeting the Electro Magnetic Compatibility requirement of ammeter better.Forceful electric power terminal A, B, C, D are individually fixed in the corresponding forceful electric power terminal of pedestal 1 and install in station, and by realizing being connected with the metering units 6 at pedestal 1 back side with the fixing plug pin of its crimping; Shunt 5 is connected with the movable contact spring G of forceful electric power terminal A, relay respectively, one end of the movable contact spring G of relay is connected with shunt 5, the other end of movable contact spring G is fixed with moving contact E, the stationary contact F corresponding with the position of moving contact E is directly fixed on forceful electric power terminal B, relay 3 realizes the connection between forceful electric power terminal A and B by the direct contact between moving contact E and stationary contact F, relay 3 adopts relay drive unit to drive, and relay drive unit contacts with the movable contact spring G of relay and connects; Metering units 6 at pedestal 1 back side is connected with forceful electric power terminal, relay, mutual inductor, shunt, voltage dependent resistor (VDR) respectively by the mode of welding, pedestal 1 is provided with card extender hole slot, in card extender hole slot, be provided with card extender 8, metering units 6 realizes the physical connection with outside ammeter control module by card extender 8; Be provided with multiple light current terminal on the housing 2 and install station 9, multiple light current terminal is fixedly mounted in corresponding station, and light current terminal is fixed with right angle seven word contact pin by the mode of pressing, and realizes being connected with outside ammeter control module by right angle seven word contact pin.Be arranged on the mutual inductor 4 on pedestal 1, relay 3 and shunt 5 all to realize directly being connected with metering units 6 by contact pin or sampling connector, the slotted eye of metering units 6 on pedestal 1 realizes being connected with outside ammeter control module by card extender 8.
In the present embodiment, mutual inductor 4 eliminates shell own, using pedestal 1 as its shell, simplify the structure, punching pitman in mutual inductor 4 to be fixed on pedestal between forceful electric power terminal C and D, in the present embodiment, in mutual inductor 4, punching pitman realizes directly being connected with forceful electric power terminal C and D by cold compaction process or welding manner.Mutual inductor coil is connected with metering units direct spot welding into and out of line via crossed beam trunking on pedestal.
From Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the case 2 that a kind of integrated-type intelligent ammeter of the present embodiment terminal base comprises pedestal 1 and is fixedly connected with pedestal 1, in the present embodiment, pedestal 1 and the connection of case 2 are connected with cassette, tenon 12 is equipped with in the two sides of pedestal 1, be provided with tongue-and-groove 11 at the correspondence position of the two sides of case 2, case 2 realizes cassette with pedestal 1 by tenon 12 and tongue-and-groove 11 and is connected.In the present embodiment, Fig. 6 and Fig. 7 carries out Y-direction assembling by tenon and tongue-and-groove.Fig. 8 and Fig. 9 carries out Z-direction assembling by tenon and tongue-and-groove.
As seen from Figure 10, shunt is installed station and is arranged between forceful electric power terminal A and B, install on station at shunt and shunt 5 is installed, one end of shunt 5 directly adopts soldering or ultrasonic soldering mode, be fixed on the medial surface of forceful electric power terminal A, the other end of shunt 5 adopts the mode of riveted joint or directly welding, and realize and have flexible movable contact spring G and be directly connected, shunt 5 samples connector by it and is connected with metering units 6; In the present embodiment, shunt 5 is made up of copper-manganese material, directly fixing by welding or riveting with forceful electric power terminal A and movable contact spring G.
In the present embodiment, the relay that relay 3 embeds pedestal 1 upper surface is installed in station, the driving of the movable contact spring G of relay adopts magnetic to keep driver element or electric motor type driver element, and adopting standardized designs, the exchange mode of the die insert installed on station by the relay of pedestal realizes installing compatibility.
As Figure 11, Figure 12 are visible, the relay drive unit of the present embodiment can adopt magnetic to keep driver element, also can adopt electric motor type driver element.In Figure 11, the present embodiment magnetic keeps driver element to comprise yoke, drive coil H, permanent magnet, dynamic iron core I, catch bar J, dynamic iron core I one end is arranged in the cylindrical hole of relay coil support, the other end is threaded with catch bar J, catch bar J is contacted with the movable contact spring G of relay by resistant to elevated temperatures brace L in insertion catch bar J and connects, by the positive and negative energising of drive coil H, realize moving up and down of dynamic iron core I, be connected by connected catch bar J, the resistant to elevated temperatures brace L inserted in catch bar J is connected with movable contact spring G again, so just achieve moving up and down of moving contact E, complete the closed disconnection in relay current loop.
As shown in Figure 12, the relay drive unit of the present embodiment adopts electric motor type driver element.The present embodiment electric motor type driver element comprises motor M, worm screw P, worm gear Q, covering of the fan promotion gear K; The present embodiment adopts worm and gear principle, and motor M drives worm screw P to rotate together, and worm screw P engages with worm gear Q undergear, utilizes the rotation of motor M to realize promoting covering of the fan the transmission of moving back and forth of gear K and power, realizes first order speed change; Upper gear and the covering of the fan of worm gear Q promote gear K and engage, realize second level speed change, described covering of the fan promotion gear K is contacted with the movable contact spring G of relay by resistant to elevated temperatures brace L and connects, resistant to elevated temperatures brace L inserts covering of the fan and promotes in gear K, the rotation of gear K is promoted by covering of the fan, with the movable contact spring G knee-action of motor type relay, then realize adhesive up and down and the release of relay movable reed G and moving contact E.In the present embodiment, the occlusal surface of worm thread is provided with certain inclination angle, by the ingehious design to worm thread occlusal surface inclination angle, realizes the self-locking to worm gear Q; Worm gear Q and covering of the fan promote gear K and all adopt single shaft to fix.
In the above-described embodiments, resistant to elevated temperatures brace L is by special panel beating or ceramic or draw point parts making.By special panel beating or the resistant to elevated temperatures brace of the composition such as pottery or draw point parts, and by being connected with the contact of movable contact spring G, guarantee to be able to good heat radiation at big current by the high temperature caused during movable contact spring, and guarantee contacts with movable contact spring G, part will cause the activity of movable contact spring G to be lost efficacy because of high temperature deformation.
In the present embodiment, voltage dependent resistor (VDR) 7 is directly connected by welding with the metering units 6 at pedestal 1 back side.
In an embodiment, in the shunt sampling circuit of the metering units 6 of pedestal 1 back surface, demagnetization plate 10 is installed, as Figure 13, under strong magnetic field circumstance, the current sampling circuit of metering units 6 can produce relevant induced current, as insert area equation in the middle of the current sampling circuit but direction of current contrary demagnetization plate 10, cancelling out each other of induced current can be realized in X, Y, Z tri-directions, guarantee that the measurement loop of ammeter is not substantially by the disturbing effect of external magnetic field.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an integrated-type intelligent ammeter terminal base, the case comprising pedestal and be fixedly connected with pedestal, the upper surface of described pedestal is provided with four forceful electric power terminals and installs station, relay installation station, mutual inductor installation station, shunt installation station, install on station at four forceful electric power terminals and be separately installed with four forceful electric power terminals A, B, C, D in order, install on station and mutual inductor installation station at relay and be separately installed with relay and mutual inductor, the shunt shunt be arranged between forceful electric power terminal A and B is installed on station; Be provided with metering units at the back side of pedestal and station is installed, tighten at metering units installation station the back side being affixed on pedestal and be installed with metering units; It is characterized in that: be also provided with voltage dependent resistor (VDR) at the upper surface of pedestal and station is installed, install on station in voltage dependent resistor (VDR) and insert voltage dependent resistor (VDR), and reliably locate; Described forceful electric power terminal A, B, C, D are individually fixed in station corresponding to pedestal, and by realizing being connected with the metering units at the pedestal back side with the fixing plug pin of its crimping; Described shunt is connected with the movable contact spring of relay with forceful electric power terminal A respectively, one end of the movable contact spring of relay is connected with shunt, the other end of movable contact spring is fixed with moving contact, the stationary contact corresponding with the position of moving contact is directly fixed on forceful electric power terminal B, relay realizes the connection between forceful electric power terminal A and B by the direct contact between moving contact and stationary contact, described relay adopts relay drive unit to drive, and relay drive unit contacts with the movable contact spring of relay and connects; Metering units at the pedestal back side is connected with forceful electric power terminal, relay, mutual inductor, shunt, voltage dependent resistor (VDR) respectively by the mode of welding, pedestal is provided with card extender hole slot, in card extender hole slot, be provided with card extender, metering units realizes the physical connection with ammeter control module by card extender; Case is provided with corresponding light current terminal and installs station, described light current terminal is fixed in station corresponding to case, by realizing being connected with ammeter control module with the right angle seven word contact pin of its crimping.
2. a kind of integrated-type intelligent ammeter terminal base according to claim 1, is characterized in that: described pedestal is connected with cassette with case; Be equipped with tenon in the two sides of pedestal, be provided with tongue-and-groove, and be provided with limited bayonet at the correspondence position of the two sides of case, case and pedestal realize cassette by tenon and tongue-and-groove and are located by connecting.
3. a kind of integrated-type intelligent ammeter terminal base according to claim 1, is characterized in that: one end of described shunt directly adopts soldering or ultrasonic soldering mode, realizes direct connection of shunt and forceful electric power terminal A; The shunt other end adopts the mode of riveted joint or directly welding, realizes being connected with the direct of relay movable reed, and described shunt is by its realization of sampling connector and being welded to connect of metering units.
4. a kind of integrated-type intelligent ammeter terminal base according to claim 1, it is characterized in that: described relay drive unit adopts standardized designs mode, relay drive unit comprises magnetic and keeps driver element or electric motor type driver element, pedestal utilizes die insert mode of exchanging realize magnetic and keeps the exchange of driver element and electric motor type driver element compatible.
5. a kind of integrated-type intelligent ammeter terminal base according to claim 4, is characterized in that: described relay drive unit is that magnetic keeps driver element; Described magnetic keeps driver element to comprise yoke, drive coil, permanent magnet, dynamic iron core, catch bar; Described dynamic iron core one end is arranged in the cylindrical hole of relay coil support, the other end is threaded with catch bar, described catch bar is contacted with the movable contact spring of relay by resistant to elevated temperatures brace in insertion catch bar and connects, by the positive and negative energising of drive coil, realize moving up and down of dynamic iron core, drive brace by connected catch bar, brace drives movable contact spring, realize moving up and down of moving contact, complete the closed disconnection in relay current loop.
6. a kind of integrated-type intelligent ammeter terminal base according to claim 4, is characterized in that: described relay drive unit is electric motor type driver element; Described electric motor type driver element comprises motor, worm screw, worm gear, covering of the fan promotion gear; Driven by motor is rotated by worm screw together, and worm and wheel undergear engages, and realizes first order speed change; The upper gear of worm gear and covering of the fan promote gears meshing, realize second level speed change, described covering of the fan promotion gear is contacted with the movable contact spring of relay by resistant to elevated temperatures brace and connects, described brace inserts covering of the fan and promotes in gear, the rotation of gear is promoted by covering of the fan, with the movable contact spring knee-action of motor type relay, the sound closing of contact is disconnected; The occlusal surface of described worm thread is provided with certain inclination angle, realizes the self-locking to worm gear; Described worm gear and covering of the fan promote gear and all adopt single shaft to fix.
7. according to claim 5 or a kind of integrated-type intelligent ammeter terminal base according to claim 6, it is characterized in that: described resistant to elevated temperatures brace is by special panel beating or ceramic or draw point parts making.
8. a kind of integrated-type intelligent ammeter terminal base according to claim 1, is characterized in that: described voltage dependent resistor (VDR) is directly connected by welding with the metering units at the pedestal back side.
9. a kind of integrated-type intelligent ammeter terminal base according to claim 1, is characterized in that: be provided with demagnetization plate in the shunt sampling circuit of the metering units at the pedestal back side.
10. a kind of integrated-type intelligent ammeter terminal base according to claim 1, it is characterized in that: described mutual inductor is using pedestal as its shell, punching pitman in mutual inductor adopts the mode of colding pressing or welding to be fixed on pedestal between forceful electric power terminal C and D, and mutual inductor coil is connected with metering units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520212764.7U CN204613269U (en) | 2015-04-10 | 2015-04-10 | A kind of integrated-type intelligent ammeter terminal base |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520212764.7U CN204613269U (en) | 2015-04-10 | 2015-04-10 | A kind of integrated-type intelligent ammeter terminal base |
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| CN204613269U true CN204613269U (en) | 2015-09-02 |
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| CN201520212764.7U Expired - Fee Related CN204613269U (en) | 2015-04-10 | 2015-04-10 | A kind of integrated-type intelligent ammeter terminal base |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831337A (en) * | 2017-10-23 | 2018-03-23 | 济南铂朗电气有限公司 | One kind exempts from the hot-swappable formula electric instrument that has a power failure |
| CN108254600A (en) * | 2018-02-23 | 2018-07-06 | 南京飞腾电子科技有限公司 | Electric energy meter |
| CN110456119A (en) * | 2018-05-07 | 2019-11-15 | 国网安徽省电力有限公司电力科学研究院 | Terminal base assembles positioning device |
-
2015
- 2015-04-10 CN CN201520212764.7U patent/CN204613269U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831337A (en) * | 2017-10-23 | 2018-03-23 | 济南铂朗电气有限公司 | One kind exempts from the hot-swappable formula electric instrument that has a power failure |
| CN108254600A (en) * | 2018-02-23 | 2018-07-06 | 南京飞腾电子科技有限公司 | Electric energy meter |
| CN110456119A (en) * | 2018-05-07 | 2019-11-15 | 国网安徽省电力有限公司电力科学研究院 | Terminal base assembles positioning device |
| CN110456119B (en) * | 2018-05-07 | 2021-11-30 | 国网安徽省电力有限公司电力科学研究院 | Terminal block assembling and positioning device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20210410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |