CN102141579A - Multifunctional combined terminal of intelligent electric energy meter - Google Patents
Multifunctional combined terminal of intelligent electric energy meter Download PDFInfo
- Publication number
- CN102141579A CN102141579A CN2010101025830A CN201010102583A CN102141579A CN 102141579 A CN102141579 A CN 102141579A CN 2010101025830 A CN2010101025830 A CN 2010101025830A CN 201010102583 A CN201010102583 A CN 201010102583A CN 102141579 A CN102141579 A CN 102141579A
- Authority
- CN
- China
- Prior art keywords
- electric energy
- packaging case
- energy meter
- intelligent electric
- magnetic latching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Electromagnets (AREA)
Abstract
The invention relates to a multifunctional combined terminal of an intelligent electric energy meter. The multifunctional combined terminal is characterized in that: an electric energy measurement sampling device and a power supply circuit on-off control device are arranged in a cavity of a container; and the container is connected with a connection terminal fixedly. The multifunctional combined terminal of the intelligent electric energy meter provided by the invention separates a strong electricity part from a weak electricity part in the electric energy meter, so that interference between the strong electricity part and the weak electricity part is effectively eliminated; the container is designed to more effectively utilize a limited space in the electric energy meter, so that the integral layout of a circuit of the electric energy meter is simpler and tidier; the reliability and productibility of components of a strong electricity device of the electric energy meter are improved; and the production efficiency of the electric energy meter can be improved. A special manual control mechanism of a magnetic holding relay in the invention facilitates inspection, debugging and maintenance of the electric energy meter and further improves the production efficiency and maintainability of the whole meter.
Description
Technical field
The present invention relates to the electric energy measurement instrument technical field, collect the multi-functional combination terminal that is applicable to intelligent electric energy meter that ramp, current sampling element, current switching control, various electric power signal are input as one for a kind of.
Background technology
Have at present in the intelligent electric energy meter of feed circuit on-off function, above ramp, distributing and the electric energy measurement sampling device should be installed (as voltage transformer (VT), current transformer, divertor etc.) relay with magnetic maintenance function also to be installed, there is line between these parts or the device, these parts or device has forceful electric power (220 volts or 380 a volts) current/voltage owing to flow through, be the electric energy meter assembling, debugging, maintenance etc. has brought strong and weak electricity can't separate unsafe assembled state, in addition, electric energy measurement sampling device such as mutual inductor are not fixed as special embedding, make it arrange irregular and have influence on security and the reliability that circuit connects.In addition; have at present in the feed circuit energy power on/off function electric energy meter; the magnetic of being installed that has keeps the function relay only to possess electric control function; in electric energy meter production debug process, need to connect wiring and import the on off operating mode change that automatically controlled signal could be realized relay, influenced the work efficiency of electric energy meter debugging; in view of the above; the scheme of present the intelligent electric energy meter has seriously influenced the serviceable life and the security of product, also can't standardize, the production of scale.
Summary of the invention
The objective of the invention is forceful electric power circuit in the intelligent electric energy meter and light current circuit are done isolation effectively; and the forceful electric power circuit in the electric energy meter rationally arranged; improve intelligent electric energy meter forceful electric power device global reliability and security; make things convenient for the electric energy meter calibration, improve being produced on a large scale property of intelligent electric energy meter.
For achieving the above object, technical scheme of the present invention is, the multi-functional combination terminal composition of this intelligent electric energy meter includes electric energy measurement sampling device, feed circuit on-off controller spare, electrical energy parameter signal output input lead and ramp, be characterized in, the multi-functional combination terminal of this intelligent electric energy meter also includes packaging case in forming, this packaging case is fixedlyed connected with ramp, and electric energy measurement sampling device, feed circuit on-off controller spare and electrical energy parameter signal output input lead all are installed in this packaging case cavity.
In technique scheme, described electric energy measurement sampling device is current transformer or voltage transformer (VT) or divertor.
In technique scheme, described feed circuit on-off controller spare is a magnetic latching relay.
In technique scheme, described magnetic latching relay also is provided with manual control mechanism, a kind of version of this manual control mechanism is to be configured to being connected to prop up by group handle, push rod, the permanent magnetic steel parts that connect support and magnetic latching relay are fixed as one, dial handle with push rod be connected the support interlock, group handle to-and-fro movement drive push rod traverse motion, and then make the to-and-fro movement of relay moving contact, simultaneously, dial the handle to-and-fro movement and also make connection support and permanent magnetic steel tilting up and down reciprocatingly.
In technique scheme, the another kind of version of magnetic latching relay manual control mechanism is to be made of group handle, web member, dials the handle upper end and stretches out packaging case, dials the handle lower end and connects the permanent magnetic steel body, dial handle and be connected with the relay moving contact, form continuous action relation by web member.
On technique scheme of the present invention basis, give the concrete technical scheme that multi-functional combination terminal is used for the three-phase intelligent electric energy meter, described measurement sampling device is three current transformers, described feed circuit on-off controller spare is the magnetic latching relay with manual control function, packaging case is fixedly connected on the ramp top, three current transformers are installed in the bottom in the packaging case cavity, magnetic latching relay with manual control function is installed in the interior top of packaging case cavity, the electrical energy parameter signal that is connected with each device in packaging case output input lead, magnetic latching relay status signal lines and control line are drawn from packaging case.
On technique scheme of the present invention basis, give the concrete technical scheme that multi-functional combination terminal is used for the single-phase intelligent electric energy meter, one of scheme is that described electric energy measurement sampling device is two manganese copper diverters, described feed circuit on-off controller spare is the magnetic latching relay with manual control function, packaging case is connected and fixed on the ramp top, two manganese copper diverters are arranged on the bottom in the packaging case cavity, direct and the relay static contact red copper conducting strip welding of one of them manganese copper diverter, magnetic latching relay with manual control function is arranged on the interior top of packaging case cavity, and the electrical energy parameter signal that is connected with each device in packaging case output input lead and magnetic latching relay control lead-in wire are drawn from packaging case.
On technique scheme of the present invention basis, give second kind of concrete technical scheme that multi-functional combination terminal is used for the single-phase intelligent electric energy meter, in this scheme, the electric energy measurement sampling device is a manganese copper diverter and a current transformer, described feed circuit on-off controller spare is the magnetic latching relay with manual control function, packaging case is connected and fixed on the ramp top, the manganese copper diverter summation current transformer is arranged on the bottom in the packaging case cavity, direct and the relay static contact red copper conducting strip welding of manganese copper diverter, magnetic latching relay with manual control function is arranged on the interior top of packaging case cavity, and the electrical energy parameter signal that is connected with each device in packaging case output input lead and magnetic latching relay control lead-in wire are drawn from packaging case.
Advantage of the present invention is, strong power part in the electric energy meter and weak current part are isolated, and effectively got rid of the phase mutual interference, increased creepage distance, improved withstand voltage insulating reliability; The packaging case design has more effectively utilized the finite space of electric energy meter inside, makes the integral layout of electric energy meter circuit succinct more neat; Multi-functional combination terminal designs, and has improved the reliability and the productibility of electric energy meter forceful electric power device component, has optimized the part integrity energy; Help to improve electric energy meter production efficiency; The on-off controller spare that the present invention increased (relay) manual mechanism has made things convenient for test of kilo watthour meter, debugging, maintenance, has further improved whole hypergene and has produced efficient and maintenanceability.
Description of drawings
Fig. 1 is the structural representation that the multi-functional combination terminal of the present invention is installed in the three-phase intelligent electric energy meter watchcase.
Fig. 2 is the multi-functional combination terminal of three-phase intelligent electric energy meter structure (profile) synoptic diagram.
Fig. 3 is the structural representation after the multi-functional combination terminal of three-phase intelligent electric energy meter unloads connection cover.
Fig. 4 is that the multi-functional combination terminal of three-phase intelligent electric energy meter unloads connection cover and loam cake, and magnetic latching relay is in the structural representation of on-state.
Fig. 5 is that the multi-functional combination terminal of three-phase intelligent electric energy meter unloads connection cover and loam cake, and magnetic latching relay is in the structural representation of off-state.
Fig. 6 is the structural representation that single-phase multifunctional combination terminal of the present invention is installed in the single-phase intelligent electric energy meter watchcase.
Fig. 7 is the multi-functional combination terminal of single-phase intelligent electric energy meter structure (profile) synoptic diagram.
Fig. 8 is the single-phase intelligent electric energy meter combination terminal structural representation of two-circuit resistance sampling.
Fig. 9 is the single-phase intelligent electric energy meter combination terminal structural representation of resistance sampling and mutual inductor sampling.
In above accompanying drawing, the 101st, three-phase intelligent electric energy meter watchcase, the 102nd, the packaging case body, the 103rd, three-phase table ramp, the 104th, mutual inductor lead-in wire (three groups of six roots of sensation), the 105th, relay status signal wire (two), the 106th, relay control signal line (three), the 107th, three-phase table pressure-wire (four), the 108th, three-phase electric energy meter lead-in wire (ten six roots of sensation), the 109th, group handle of relay manual mechanism, the 110th, the loam cake of packaging case, the 111st, connection cover, the 112nd, current transformer (three), the 113rd, relay static contact (three), the 114th, relay moving contact (three), the 115th, push rod, the 116th, connect support, the 117th, the permanent magnetic steel body, the 118th, armature, the 119th, drive coil, the 120th, yoke, the 121st, bearing pin, the 122nd, the bearing pin end cap, the 201st, single-phase intelligent electric energy meter watchcase, the 202nd, the packaging case body, the 203rd, the single-phase electric energy meter ramp, the 204th, group handle of magnetic latching relay manual mechanism, the 205th, magnetic latching relay state control signal line, the 206th, copper-manganese split-stream sampling signal wire, the 207th, copper-manganese split-stream sampling signal wire, the 208th, magnetic latching relay static contact, the 209th, the magnetic latching relay moving contact, the 210th, web member, the 211st, yoke, the 212nd, armature, the 213rd, the permanent magnetic steel body, the 214th, bearing pin, the 215th, drive coil, the 216th, magnetic latching relay control signal wire, the 217th, one of manganese copper diverter, the 218th, single-phase electric energy meter lead-in wire (eight), the 219th, two, 220th of manganese copper diverter, relay moving contact red copper conducting strip, the 301st, the magnetic latching relay static contact, the 302nd, the magnetic latching relay moving contact, the 303rd, web member, the 304th, dial handle, the 305th, yoke, the 306th, armature, the 307th, permanent magnetic steel body, the 308th, bearing pin, the 309th, drive coil, the 310th, magnetic latching relay control signal wire, the 311st, current transformer, the 312nd, conducting strip, the 313rd, single-phase electric energy meter lead-in wire (eight), the 314th, single-phase electric energy meter ramp, the 315th, manganese copper diverter, the 316th, relay moving contact red copper conducting strip.
Specific embodiment
Embodiment one:
Present embodiment is the multi-functional combination terminal that is applicable to state's net three-phase intelligent electric energy meter, and the assembling of this combination terminal and electric energy meter watchcase as shown in Figure 1.Loam cake 110 covers on magnetic latching relay, 111 of connection covers are added a cover above three mutual inductors 112 and with ramp 103 and are fixed, article six, current transformer signal lead 104 is drawn the slit between loam cake 110 and connection cover 111, article two, relay status signal wire 105 is drawn from the packaging case side, article three, magnetic latching relay control line 106 is drawn from the packaging case side, and four pressure-wires 107 are drawn from the packaging case side.
In addition, in the present embodiment existing magnetic latching relay is improved, increased manual control mechanism.Three groups of contacts of relay are arranged at the packaging case upper left-hand, relay magnetic holding member is arranged at the packaging case upper right, drive coil 119 is horizontally disposed with, permanent magnetic steel 117 can be around the bearing pin 121 in its centre and tilting up and down, so that the last lower armature 118 at permanent magnetic steel two ends can touch yoke 211 two ends of passing drive coil respectively.The manual control mechanism that present embodiment increases newly constitutes by dialling handle 109, push rod 115 and being connected support 116, dialling handle 109 is parts with being connected support 116, connect support and extend upward part for dialling handle, because connecting support 116 is fixed as one with permanent magnetic steel parts 117, dialling handle 109 left and right sides to-and-fro movements makes connection support 116 drive permanent magnetic steel bodies 117 tilting up and down reciprocatingly, simultaneously, dial handle 109 left and right sides to-and-fro movements and also drive push rod 115 traverse motions, and then make the moving contact 114 of relay reciprocating.Stir left when dialling handle 109, by push rod 115 effect three moving contacts 114 of relay are moved to the left and with relay static contact 113 closures, relay is in on-state, when dialling handle 109 and stir left, make permanent magnetic steel parts 117 produce the upper right tilting in lower-left by connecting support 116, make the upper left armature of permanent magnetic steel parts contact (this on-state is referring to accompanying drawing 4) with the two yokes of drive coil respectively with bottom right armature.When needs carry out calibration to electric energy meter, can stir handle 109 to the right, by push rod 115 effects, three moving contacts 114 of relay are moved right and discharge with relay static contact 113, relay becomes off-state, meanwhile, dialling handle stirs to the right, also, also make the permanent magnetic steel parts produce the tilting of upper left bottom right, make the lower-left armature of permanent magnetic steel parts contact (this off-state is referring to accompanying drawing 5) with the two yokes of drive coil respectively with upper right armature by connecting support.In the electric energy meter use, as long as feed start signal or shutdown signal to drive coil 119, two yokes 211 of drive coil can produce the armature 118 of magnetic force with adhesive permanent magnetic steel parts, make the permanent magnetic steel body and be connected support generation tilting, and then by dialling handle 109, promote push rod 115 motions, relay moving contact position is changed, realize the switching of relay.Present embodiment is manually controlled group handle 109 with magnetic latching relay and is arranged at the packaging case top.
Embodiment two:
Present embodiment is the multi-functional combination terminal that is applicable to state's net single-phase intelligent electric energy meter, this combination terminal and with the assembling of electric energy meter watchcase 201 shown in accompanying drawing 6,7,8.Packaging case body 202 is connected and fixed on ramp 203 tops, two manganese copper diverters 217,219 are arranged on the bottom in the packaging case cavity, wherein manganese copper diverter 219 direct and relay static contact 208 red copper conducting strips welding, magnetic latching relay with manual control function is arranged on the interior top of packaging case cavity, and drive coil 215 is vertical setting.The present embodiment manual control mechanism is made of group handle 204, web member 210, dials the handle upper end and stretches out packaging case, dials the handle lower end and connects permanent magnetic steel body 213, and group handle is connected with the relay moving contact by web member, forms continuous action relation.Dial about handle and stir, driving permanent magnetic steel body 213 on the one hand swings around bearing pin 214, make the variation of armature 212 with the yoke 211 generation contact positions of drive coil of permanent magnetic steel body, on the other hand, dial handle by web member 210, drive 209 side-to-side movements of relay moving contact, and then change the on off operating mode of relay.The signal wire 206 of magnetic latching relay state control signal line 205, manganese copper diverter 217 is drawn from packaging case with electric energy meter light current circuit with the signal wire 207 of manganese copper diverter 219 and is connected.
Embodiment three:
Present embodiment and embodiment two versions are basic identical, and unique difference is that the electric energy measurement device that is provided with in the packaging case is a manganese copper diverter and a current transformer.This combination terminal structure as shown in Figure 9.The packaging case body is connected and fixed on ramp 314 tops, manganese copper diverter 315 summation current transformers 311 are arranged on the bottom in the packaging case cavity, wherein manganese copper diverter 315 direct and relay static contact 301 red copper conducting strips welding, magnetic latching relay with manual control function is arranged on the interior top of packaging case cavity, and drive coil 309 is vertical setting.The present embodiment manual control mechanism is made of group handle 304, web member 303, dials the handle upper end and stretches out packaging case, dials the handle lower end and connects permanent magnetic steel body 307, and group handle 304 is connected with relay moving contact 302 by web member 303, forms continuous action relation.Dial about handle and stir, driving permanent magnetic steel body 307 on the one hand swings around bearing pin 308, make the variation of armature 306 with the yoke 305 generation contact positions of drive coil of permanent magnetic steel body, on the other hand, dial handle by web member 303, drive 302 side-to-side movements of relay moving contact, and then change the on off operating mode of relay.The signal wire 318 of signal wire 317 summation current transformers of magnetic latching relay state control signal line 310, manganese copper diverter is drawn from packaging case with electric energy meter light current circuit and is connected.
During the present invention was above-mentioned, the whole collection of forceful electric power device single-phase and the three-phase intelligent electric energy meter were loaded in the packaging case, and strong power part in the electric energy meter and weak current part are isolated, and have effectively got rid of the phase mutual interference between the strong and weak electricity; In addition, because packaging case is custom-designed in the present embodiment, compact conformation is reasonable, has more effectively utilized the finite space of electric energy meter inside, makes the integral layout in the electric energy meter cavity succinct more neat, makes things convenient for production testing debugging and maintenance.Multi-functional combination terminal design has improved the reliability and the productibility of electric energy meter forceful electric power device component, helps to improve electric energy meter production efficiency; The on-off controller spare that the present invention increased (relay) manual mechanism has made things convenient for test of kilo watthour meter, debugging, maintenance, has further improved whole hypergene and has produced efficient and maintenanceability.
Claims (8)
1. multi-functional combination terminal of intelligent electric energy meter, its composition includes electric energy measurement sampling device, feed circuit on-off controller spare, electrical energy parameter signal output input lead and ramp, it is characterized in that: it also comprises packaging case in forming, this packaging case is fixedlyed connected with ramp, and electric energy measurement sampling device, feed circuit on-off controller spare and electrical energy parameter signal output input lead all are installed in this packaging case cavity.
2. the multi-functional combination terminal of intelligent electric energy meter according to claim 1 is characterized in that: described electric energy measurement sampling device is current transformer or voltage transformer (VT) or divertor.
3. the multi-functional combination terminal of intelligent electric energy meter according to claim 1 is characterized in that: described feed circuit on-off controller spare is a magnetic latching relay.
4. the multi-functional combination terminal of intelligent electric energy meter according to claim 3, it is characterized in that: described magnetic latching relay also is provided with manual control mechanism, this manual control mechanism is configured to being connected to prop up by group handle, push rod, the permanent magnetic steel parts that connect support and magnetic latching relay are fixed as one, dial handle and push rod and be connected the support interlock, dial the handle to-and-fro movement and drive the push rod traverse motion, and then make the to-and-fro movement of relay moving contact, simultaneously, dial the handle to-and-fro movement and also make connection support and permanent magnetic steel tilting up and down reciprocatingly.
5. according to claim 1 or the multi-functional combination terminal of 2 or 3 or 4 described intelligent electric energy meters, it is characterized in that: described multi-functional combination terminal is the multi-functional combination terminal of three-phase intelligent electric energy meter, described measurement sampling device is three current transformers, described feed circuit on-off controller spare is the magnetic latching relay with manual control function, packaging case is fixedly connected on the ramp top, three current transformers are installed in the bottom in the packaging case cavity, magnetic latching relay with manual control function is installed in the interior top of packaging case cavity, the electrical energy parameter signal that is connected with each device in packaging case output input lead, magnetic latching relay status signal lines and control line are drawn from packaging case.
6. the multi-functional combination terminal of intelligent electric energy meter according to claim 3, it is characterized in that: described magnetic latching relay also is provided with manual control mechanism, this manual control mechanism is made of group handle, web member, dial the handle upper end and stretch out packaging case, dial the handle lower end and connect the permanent magnetic steel body, dial handle and be connected with the relay moving contact, form continuous action relation by web member.
7. according to claim 1 or the multi-functional combination terminal of 2 or 3 or 6 described intelligent electric energy meters, it is characterized in that: described multi-functional combination terminal is the multi-functional combination terminal of single-phase intelligent electric energy meter, described electric energy measurement sampling device is two manganese copper diverters, described feed circuit on-off controller spare is the magnetic latching relay with manual control function, packaging case is connected and fixed on the ramp top, two manganese copper diverters are arranged on the bottom in the packaging case cavity, direct and the relay static contact red copper conducting strip welding of one of them manganese copper diverter, magnetic latching relay with manual control function is arranged on the interior top of packaging case cavity, and the electrical energy parameter signal that is connected with each device in packaging case output input lead and magnetic latching relay control lead-in wire are drawn from packaging case.
8. according to claim 1 or the multi-functional combination terminal of 2 or 3 or 6 described intelligent electric energy meters, it is characterized in that: described multi-functional combination terminal is the multi-functional combination terminal of single-phase intelligent electric energy meter, described electric energy measurement sampling device is a manganese copper diverter and a current transformer, described feed circuit on-off controller spare is the magnetic latching relay with manual control function, packaging case is connected and fixed on the ramp top, the manganese copper diverter summation current transformer is arranged on the bottom in the packaging case cavity, direct and the relay static contact red copper conducting strip welding of manganese copper diverter, magnetic latching relay with manual control function is arranged on the interior top of packaging case cavity, and the electrical energy parameter signal that is connected with each device in packaging case output input lead and magnetic latching relay control lead-in wire are drawn from packaging case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010102583 CN102141579B (en) | 2010-01-29 | 2010-01-29 | Multifunctional combined terminal of intelligent electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010102583 CN102141579B (en) | 2010-01-29 | 2010-01-29 | Multifunctional combined terminal of intelligent electric energy meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102141579A true CN102141579A (en) | 2011-08-03 |
| CN102141579B CN102141579B (en) | 2013-03-06 |
Family
ID=44409244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010102583 Expired - Fee Related CN102141579B (en) | 2010-01-29 | 2010-01-29 | Multifunctional combined terminal of intelligent electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102141579B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021978A (en) * | 2014-04-30 | 2015-11-04 | Ls产电株式会社 | Electric power meter capable of monitoring contact status of latch relay |
| CN110488061A (en) * | 2019-09-23 | 2019-11-22 | 宁波三星医疗电气股份有限公司 | A kind of terminal box and ammeter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2391298Y (en) * | 1999-09-29 | 2000-08-09 | 温州利尔德继电器有限公司 | Switch type magnetic latching relay |
| FR2793030A1 (en) * | 1999-04-30 | 2000-11-03 | Schneider Electric Ind Sa | Device, having a measuring shunt, for pre-paid electrical energy supply control |
| KR100581699B1 (en) * | 2005-09-09 | 2006-05-22 | 주식회사 우신테크라인 | A testing terminal palte having terminal exchange merchine |
| CN201054338Y (en) * | 2007-02-05 | 2008-04-30 | 南通和乐电器设备有限公司 | Mutual-induction three-phase magnetic keeping relay |
| CN201490102U (en) * | 2009-04-17 | 2010-05-26 | 郁晓亮 | Three-phase electric energy meter load modular magnetic latching relay |
| CN201600396U (en) * | 2010-01-29 | 2010-10-06 | 胡国祥 | Intelligent electric energy meter multifunctional combined terminal knob |
-
2010
- 2010-01-29 CN CN 201010102583 patent/CN102141579B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2793030A1 (en) * | 1999-04-30 | 2000-11-03 | Schneider Electric Ind Sa | Device, having a measuring shunt, for pre-paid electrical energy supply control |
| CN2391298Y (en) * | 1999-09-29 | 2000-08-09 | 温州利尔德继电器有限公司 | Switch type magnetic latching relay |
| KR100581699B1 (en) * | 2005-09-09 | 2006-05-22 | 주식회사 우신테크라인 | A testing terminal palte having terminal exchange merchine |
| CN201054338Y (en) * | 2007-02-05 | 2008-04-30 | 南通和乐电器设备有限公司 | Mutual-induction three-phase magnetic keeping relay |
| CN201490102U (en) * | 2009-04-17 | 2010-05-26 | 郁晓亮 | Three-phase electric energy meter load modular magnetic latching relay |
| CN201600396U (en) * | 2010-01-29 | 2010-10-06 | 胡国祥 | Intelligent electric energy meter multifunctional combined terminal knob |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021978A (en) * | 2014-04-30 | 2015-11-04 | Ls产电株式会社 | Electric power meter capable of monitoring contact status of latch relay |
| CN105021978B (en) * | 2014-04-30 | 2018-01-09 | Ls产电株式会社 | The electric instrument of latching relay contact condition can be monitored |
| CN110488061A (en) * | 2019-09-23 | 2019-11-22 | 宁波三星医疗电气股份有限公司 | A kind of terminal box and ammeter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102141579B (en) | 2013-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101399464B (en) | Power transmission control device, power transmitting device, non-contact power transmission system, and secondary coil positioning method | |
| CN103439637B (en) | A kind of wave of oscillation production method for local discharge of electrical equipment test | |
| CN201600396U (en) | Intelligent electric energy meter multifunctional combined terminal knob | |
| CN102141579B (en) | Multifunctional combined terminal of intelligent electric energy meter | |
| CN103620721A (en) | Electromagnetic operating device | |
| CN105429315A (en) | Overlapped coil multi-phase receiving device applied to wireless power supply of mobile transportation equipment | |
| CN102872989A (en) | Non-contact charged intelligent shower head | |
| CN101666857A (en) | Device for durability tests of automotive air-conditioning controller buttons | |
| CN102169776A (en) | Medium-voltage integrated intelligent circuit breaker | |
| CN201946516U (en) | Multi-pole small-sized direct current contactor | |
| CN102095899B (en) | Wiring device and current mutual inductance testing system | |
| CN201926685U (en) | Integrated direct-current ammeter | |
| CN206038763U (en) | Impulse current's testing arrangement | |
| CN202661833U (en) | Electrical control cabinet of transformer substation | |
| CN102262980A (en) | Multi-pole direct current contactor | |
| CN107017607B (en) | A kind of Portable movable trigger circuit device | |
| CN202307477U (en) | Intelligent integrated high-and-low-voltage synchronized on-load capacity-regulating tap-changer | |
| CN203722519U (en) | Intelligent type motor starter | |
| CN201887667U (en) | Isolating and converting device for rotary switch gear signals | |
| CN202816781U (en) | Indoor high-voltage AC vacuum circuit breaker | |
| CN202855601U (en) | Single-arm vertical-folding insertion-type outdoor high-voltage direct-current grounding switch | |
| CN202026263U (en) | Low-voltage power switch and soft starter combined control cabinet | |
| CN202474578U (en) | Composite energy-saving power distribution cabinet | |
| CN201804688U (en) | Three-phase oil-immersed 110kV high-capacity straight step-down silicon carbide transformer coil | |
| CN206865138U (en) | A kind of Portable movable trigger circuit device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Hu Guoxiang Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20160129 |
|
| EXPY | Termination of patent right or utility model |