CN204190479U - A kind of distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS - Google Patents
A kind of distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS Download PDFInfo
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- CN204190479U CN204190479U CN201420734094.0U CN201420734094U CN204190479U CN 204190479 U CN204190479 U CN 204190479U CN 201420734094 U CN201420734094 U CN 201420734094U CN 204190479 U CN204190479 U CN 204190479U
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- gprs
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- 238000004891 communication Methods 0.000 title claims abstract description 107
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000010409 thin film Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS, comprise communication terminal casing, described communication terminal box house is provided with circuit board, described circuit board is integrated with communication module, described circuit board is by Power supply, described communication terminal cabinet front hinged installation one chamber door, described communication module comprises short-distance wireless communication unit and GPRS wireless public network communication unit, described short-distance wireless communication unit and the intelligent line fault detector be installed on three-phase line carry out short-distance wireless communication and obtain real-time sampling data, described GPRS wireless public network communication unit is connected with main station system by GPRS wireless public network, and the timing of the sampled data of three-phase line is reported main station system, described power supply comprises the storage battery of sun-generated electric power as main working power and power supply in support.The utility model improves communication efficiency and the communication reliability of communication terminal and main website.
Description
Technical field
The utility model relates to the distribution line on-line monitoring communication terminal supporting that small wireless communicates with GPRS.
Background technology
The radio communication that traditional distribution line on-line monitoring communication terminal and distribution line online acquisition terminal adopt short distance unidirectional; This communication mode causes the instruction that distribution line online acquisition terminal cannot receive amendment parameter from communication terminal or remote control on the one hand, can only arrive scene and modify during amendment parameter; Low with master station communication efficiency on the other hand, main website cannot collect complete, real-time track data and communication terminal work information.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS, improves communication efficiency and reliability.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS, comprise communication terminal casing, described communication terminal box house is provided with circuit board, described circuit board is integrated with communication module, described circuit board is by Power supply, described communication terminal cabinet front hinged installation one chamber door, described communication module comprises short-distance wireless communication unit and GPRS wireless public network communication unit, described short-distance wireless communication unit and the intelligent line fault detector be installed on three-phase line carry out short-distance wireless communication and obtain real-time sampling data, described GPRS wireless public network communication unit is connected with main station system by GPRS wireless public network, and the timing of the sampled data of three-phase line is reported main station system, described power supply comprises the storage battery of sun-generated electric power as main working power and power supply in support, described storage battery is installed in communication terminal casing, described sun-generated electric power is installed on solar bracket, described solar bracket comprises the substrate installing solar panel, described substrate comprises the header board portion that shelters from communication terminal casing chamber door and is located at the left and right sides, header board portion and rolls backward and tiltedly extends with the side plate sheltering from communication terminal body side, be provided with on the upside of described header board portion and be connected with side plate and shelter from the upper eaves portion on the upside of communication terminal casing.
Preferably, described solar panel comprises light reflecting membrane and is covered on the thin film solar cell sheet on light reflecting membrane, header board portion and the side plate of described thin film solar cell sheet counterpart substrate are provided with three pieces altogether, described light reflecting membrane is provided with flanging between two adjacent thin film solar cell sheet, and the battery lead of every sheet thin film solar cell sheet is connected with main power line.
Preferably, the battery lead of described thin film solar cell sheet is divided into upper and lower two according to the opposed polarity of both positive and negative polarity, described light reflecting membrane lays main power line on the both sides up and down of thin film solar cell sheet, and two battery leads of thin film solar cell sheet lay along flanging and finally weld with main power line.
Preferably, described main power line carries out being connected with circuit board and storage battery after voltage stabilizing through sun-generated electric power voltage stabilizing circuit.
Distribution line on-line monitoring communication terminal of the present utility model adopts supports that the wireless communication technology of two-way communication communicates with acquisition terminal, adopts the GPRS power private network communication technology that is ripe, specification to communicate with main station system.This communication mode makes remotely modifying, remote distribution circuit online acquisition terminal becomes possibility, improves communication efficiency and the communication reliability of communication terminal and main website simultaneously.
Adopt the beneficial effects of the utility model:
(1) adopt the wireless communication technology supporting two-way communication, make distribution line on-line monitoring acquisition terminal realize remotely modifying parameter, save manpower and time, make acquisition terminal can adapt to different line environment more easily simultaneously;
(2) adopt the GPRS power private network communication technology that is ripe, specification, make distribution line on-line monitoring communication terminal safer, efficient to the communication of main website; Integrality, the real-time of the data such as line current, electric field can be increased simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is the fit structure schematic diagram (chamber door closes, substrate deployed condition) of casing and sun-generated electric power;
Fig. 2 is the schematic diagram of solar panel;
Fig. 3 is that folding rod coordinates schematic diagram with folding joint;
Fig. 4 is the structural representation of locking bar controlling organization;
Fig. 5 is the structural representation of waterproofing device.
Embodiment
As shown in Figures 1 to 5, a kind of distribution line on-line monitoring communication terminal, comprises communication terminal casing 5, and described communication terminal casing 5 inside is provided with circuit board, described circuit board by Power supply, described communication terminal cabinet front hinged installation one chamber door.Described circuit board is provided with information process unit, short-distance wireless communication unit, GPRS wireless public network communication unit, described short-distance wireless communication unit and the intelligent line fault detector be installed on three-phase line carry out short-distance wireless communication and obtain real-time sampling data, described information process unit processes real-time sampling data, described GPRS wireless public network communication unit is connected with main station system by GPRS wireless public network, and the timing of the sample information of three-phase line is reported main station system, described circuit board is connected with power line and order wire, described power line and order wire pass from the through wires hole of communication terminal bottom half.
Distribution line on-line monitoring communication terminal is by supporting that the small wireless communication mode of two-way communication communicates with acquisition terminal, receive alarm data, task data that acquisition terminal active is sent, then pass through GPRS power private network communication mode by data retransmission to main station system; Receive that main station system issues simultaneously pair time order, control command and optimum configurations order etc., and forward control command and optimum configurations order to acquisition terminal.Wherein acquisition terminal comprises the intelligent line fault detector be installed on three-phase line.
(1) communication mode of short-distance wireless communication unit is radio communication, supports balanced type communication.
(2) communication mode of GPRS wireless public network communication unit is GPRS communication.Support balanced type communicates, and adopts the GPRS module of low-power consumption, keeps GPRS online for a long time.
Because on-line monitoring communication terminal is installed on open air more, its running environment is very severe, and the especially water proof and dust proof ability of its casing, directly affects reliability and the useful life of device.For reaching the requirement of casing classification of waterproof, first, cabinet front mouth rim is provided with seal groove, and described chamber door edge is provided with the sealing ring coordinated with seal groove, to reach the waterproof sealing requirement at chamber door place.In addition, the through wires hole of communication terminal bottom half is also provided with rubber seal, but rainy day, still have part rainwater may penetrate through sealing ring along power line and order wire and enter box house, hidden danger is brought to safety, for this reason, the waterproofing device of stop rainwater by through wires hole is provided with below described communication terminal bottom half.
As shown in Figure 5, described waterproofing device 3 comprises eliminator plate 32, and described eliminator plate vertically arranges and shelters from through wires hole, and on described eliminator plate, corresponding power line and order wire are provided with water-blocking joint 31.Described water-blocking joint comprises flexible circular arc bend pipe 311, and the high-order side of described circular arc bend pipe is through eliminator plate, and described circular arc bend pipe low level side bottom is provided with the rainwater-collecting chamber 312 be communicated with circular arc bend pipe inside, is provided with delivery port bottom described rainwater-collecting chamber.Described circular arc bend pipe low order end mouth is provided with horn mouth 313.Described circular arc bend pipe low level side is provided with the location-plate 314 be resisted against in eliminator plate plane.Due to the effect of block water baffle plate and water-blocking joint, rainwater can not enter with power line seepage the box house that communicates along order wire, has stopped potential safety hazard.
Described power supply comprises the storage battery of sun-generated electric power as main working power and power supply in support, and described storage battery is installed in communication terminal casing, and described sun-generated electric power is installed on solar bracket.
As shown in Figure 1, described solar bracket comprises the base be located at below communication terminal casing 5 and the substrate 41 installing solar panel 42, and solar panel 42 and substrate 41 form and can rotate and the folded sheet 4 folded by respect thereto.Specifically, as shown in Figure 3 and Figure 4, base plate bottom is provided with folding rod 2, described base is provided with folding joint 1, described folding joint 1 comprises straight sections that level fixes and is located at the joint 11 that straight sections front end vertically arranges, described joint and folding rod 2 hinged, in normal state, described substrate is arranged at communication terminal casing front, when chamber door opened by needs, described substrate realizes folding with coordinating of joint by folding rod, a tapered end 22 is fixed in described folding rod bottom, described tapered end is provided with locked groove 23, the corresponding described locked groove of described joint is provided with vertical chute 13, a locking bar 14 is provided with in chute, described joint is provided with a locking bar controlling organization control locking bar and slides up and down along chute thus locking bar snapped in or departs from locked groove.
Described locking bar controlling organization comprises the locking bar joystick 15 of a L shape, locking bar joystick lateral part end is hinged on joint, joint is provided with a locking bar joystick mouth 12, front end, locking bar joystick lateral part passes from locking bar joystick mouth, locking bar joystick vertically part connects front end, locking bar joystick lateral part and being positioned at outside locking bar joystick mouth, is provided with sliding track mechanism and controls locking bar and move up and down between locking bar joystick lateral part and locking bar.
Described sliding track mechanism comprises the sleeve 18 be fixed in joint, and a socket slide bar 17 in described sleeve, described slide bar both sides are respectively equipped with a back-moving spring 16.Back-moving spring 16 two ends are provided with hook and are connected with locking bar 14 with locking bar joystick 15 lateral part respectively, slide bar 17 upper end can be connected by hook with locking bar joystick lateral part, can not directly be connected between slide bar lower end with locking bar 14, only have locking bar joystick to press down when promoting the descending disengaging locked groove 23 of locking bar 14 just to contact with locking bar, slide bar 17 end can be provided with a semi-circular recesses and coordinate with locking bar.When unclamping locking bar joystick 15, then back-moving spring 16 promotes locking bar joystick 15 and resets, and resets with hour locking lever joystick band moving slide-bar 17.
Joint 11 section of described folding joint 1 is U-shaped structure, and the section of described tapered end 22 is also U-shaped structure.Described tapered end open side is provided with a protuberance 24, and described locked groove 23 is located at protuberance 24 one end, by inclined-plane 25 transition between described locked groove and tapered end bottom.Described tapered end 22 is fixed by rivet and folding rod.
Its operation principle is: press locking bar joystick 15, slide bar 17 is descending along sleeve 18, and it is descending and depart from locked groove 23 that slide bar 17 promotes locking bar 14, and such folding rod can opposing tabs 11 rotate, finally make substrate and on solar panel fold up, now can open chamber door.
In addition, protuberance 24 front end of locked groove is arc-shaped structure 26, and when such folding rod launches, locking bar 14 can snap in locked groove 23 automatically along arc-shaped structure 26.
As shown in Figure 1, described substrate 41 comprises the header board portion 411 that shelters from communication terminal casing chamber door and is located at the left and right sides, header board portion and rolls backward and tiltedly extends with the side plate 412 sheltering from communication terminal body side, is provided with and is connected with side plate and shelters from the upper eaves portion on the upside of communication terminal casing on the upside of described header board portion.Because a part of rainwater may be entered on the upside of casing by upper eaves portion, so be set on the upside of casing roll oblique slope structure backward, rainwater can flow on rear side of casing along domatic, directly contacts with sealing place of casing with chamber door to avoid rainwater.
Such substrate covers up communication terminal casing, casing wind and weather, Exposure to Sunlight can be avoided, improve water proof and dust proof effect, also can completely cut off heat, avoid communication terminal to heat up too fast, in addition, it is also of importance that, that is exactly increase the area of solar panels, make the electric energy of sun-generated electric power except powering for on-line monitoring communication terminal, also electric parts can be needed to power for other.
As shown in Figure 2, described solar panel 42 comprises light reflecting membrane 421 and is covered on the thin film solar cell sheet 422 on light reflecting membrane, header board portion and the side plate of described thin film solar cell sheet counterpart substrate are provided with three pieces altogether, described light reflecting membrane is provided with flanging 423 between two adjacent thin film solar cell sheet, and the battery lead of every sheet thin film solar cell sheet is connected with main power line.The structure of this solar panel is structure in order to adapt to aforesaid substrate and designs, and has illuminating area large, the advantage of long service life.Light reflecting membrane energy reflecting part sunray, prevent communication terminal casing from heating up too fast, the solar energy of absorption can be converted to electric energy is again that communication terminal casing is powered, and unnecessary electric energy is got up by battery stores.Be provided with flanging between its thin film solar cell sheet be arranged side by side, the side plate being easy to corresponding tilt folds certain angle, also can not cause damage to thin film solar cell sheet, not easily aging.
The battery lead of described thin film solar cell sheet is divided into upper and lower two according to the opposed polarity of both positive and negative polarity, described light reflecting membrane lays main power line on the both sides up and down of thin film solar cell sheet, and two battery leads of thin film solar cell sheet lay along flanging and finally weld with main power line.Described main power line carries out being connected with circuit board and storage battery after voltage stabilizing through sun-generated electric power voltage stabilizing circuit.
To be powered the mode be combined with backup battery by solar storage battery, solar powered at ordinary times, continuously overcast and rainy cause solar storage battery electricity to exhaust situation under powered by backup battery.On the one hand, energy-saving solar environmental protection and not by backup battery weight, capacity and the restriction in useful life.On the other hand, use in conjunction with backup battery power, even if make distribution line on-line monitoring communication terminal also not worry in continuous rainfall sky, because of the normal work of electric power deficiency impact, ensure that the useful life of battery simultaneously.
Its beneficial effect is:
1) solar powered, environmental protection, energy-conservation, decrease the power consumption on circuit;
2) weight, the volume of backup battery can be reduced, reduce battery cost and equipment cost;
3) solar storage battery is in conjunction with backup battery, does not exhaust by cell damage or electricity and causes operating interruptions, even if simultaneously continuously rainy weather, has backup battery to power, also can not the normal work of equipment impact.
4) the main power supply of solar energy, recycles backup battery when continuous overcast and rainy solar storage battery exhausts, extends service time of battery.
5) for on-pole switch provides operating power.
Claims (4)
1. the distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS, comprise communication terminal casing, described communication terminal box house is provided with circuit board, described circuit board is integrated with communication module, described circuit board is by Power supply, described communication terminal cabinet front hinged installation one chamber door, it is characterized in that: described communication module comprises short-distance wireless communication unit and GPRS wireless public network communication unit, described short-distance wireless communication unit and the intelligent line fault detector be installed on three-phase line carry out short-distance wireless communication and obtain real-time sampling data, described GPRS wireless public network communication unit is connected with main station system by GPRS wireless public network, and the timing of the sampled data of three-phase line is reported main station system, described power supply comprises the storage battery of sun-generated electric power as main working power and power supply in support, described storage battery is installed in communication terminal casing, described sun-generated electric power is installed on solar bracket, described solar bracket comprises the substrate installing solar panel, described substrate comprises the header board portion that shelters from communication terminal casing chamber door and is located at the left and right sides, header board portion and rolls backward and tiltedly extends with the side plate sheltering from communication terminal body side, be provided with on the upside of described header board portion and be connected with side plate and shelter from the upper eaves portion on the upside of communication terminal casing.
2. distribution line on-line monitoring communication terminal according to claim 1, it is characterized in that: described solar panel comprises light reflecting membrane and is covered on the thin film solar cell sheet on light reflecting membrane, header board portion and the side plate of described thin film solar cell sheet counterpart substrate are provided with three pieces altogether, described light reflecting membrane is provided with flanging between two adjacent thin film solar cell sheet, and the battery lead of every sheet thin film solar cell sheet is connected with main power line.
3. distribution line on-line monitoring communication terminal according to claim 2, it is characterized in that: the battery lead of described thin film solar cell sheet is divided into upper and lower two according to the opposed polarity of both positive and negative polarity, described light reflecting membrane lays main power line on the both sides up and down of thin film solar cell sheet, and two battery leads of thin film solar cell sheet lay along flanging and finally weld with main power line.
4. distribution line on-line monitoring communication terminal according to claim 3, is characterized in that: described main power line carries out being connected with circuit board and storage battery after voltage stabilizing through sun-generated electric power voltage stabilizing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734094.0U CN204190479U (en) | 2014-11-28 | 2014-11-28 | A kind of distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734094.0U CN204190479U (en) | 2014-11-28 | 2014-11-28 | A kind of distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS |
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| Publication Number | Publication Date |
|---|---|
| CN204190479U true CN204190479U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734094.0U Active CN204190479U (en) | 2014-11-28 | 2014-11-28 | A kind of distribution line on-line monitoring communication terminal supporting small wireless to communicate with GPRS |
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| CN (1) | CN204190479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093972A (en) * | 2016-08-23 | 2016-11-09 | 成都中亚通茂科技股份有限公司 | A kind of local oscillator single channel receiver module mounting structure |
-
2014
- 2014-11-28 CN CN201420734094.0U patent/CN204190479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093972A (en) * | 2016-08-23 | 2016-11-09 | 成都中亚通茂科技股份有限公司 | A kind of local oscillator single channel receiver module mounting structure |
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