CN202196160U - High-reliability Li-ion battery pack detection panel device for navigation propulsion power units and electronic equipment power units - Google Patents
High-reliability Li-ion battery pack detection panel device for navigation propulsion power units and electronic equipment power units Download PDFInfo
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- CN202196160U CN202196160U CN2011203244550U CN201120324455U CN202196160U CN 202196160 U CN202196160 U CN 202196160U CN 2011203244550 U CN2011203244550 U CN 2011203244550U CN 201120324455 U CN201120324455 U CN 201120324455U CN 202196160 U CN202196160 U CN 202196160U
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Abstract
The utility model provides a high-reliability Li-ion battery pack detection panel device for navigation propulsion power units and electronic equipment power units. The device comprises a strong-current protection circuit, a sensor circuit, a detection circuit, an input filter and a split casing, gives adequate consideration to interference factors in overhead, underwater and other various complicated environments, and adopts the measures of interference source control, transmission route cutoff, sensitive body protection and the like, thereby ensuring that the obtained voltage, current and other information values are transmitted to a main console of both the navigation propulsion power units and the electronic equipment power units employing lithium primary battery packs or lithium secondary battery packs after acquisition, calculation and storage.
Description
Technical field
The utility model relates to battery check device, especially for the lithium battery group check-out console device of performance parameters such as total output voltage of the navigation thrust power unit of the real-time detection lithium primary battery group of high reliability or lithium secondary battery and electronic equipment power unit, electric current.
Background technology
At present, detect the device of lithium primary battery group or lithium secondary battery in real time, be mostly the simple functional collection that realizes some battery behaviors such as the voltage to lithium battery, electric current, and can be sent to master console.Yet this series products fails to consider complicated applied environment and condition, therefore can not adapt to the environment in the high-altitude, when waiting operation under water.Such as leaning on the equipment of lithium battery more under water as thrust power; When operation,, carrier inside moving owing to having high power DC power motor and various electromagnetic equipment; Therefore except vibrating, also can produce very strong high-intensity magnetic field and high radiation, this can cause common electronic monitoring equipment to work normally.
Summary of the invention
The utility model is for will solve the numerous and diverse situation that causes common electronic monitoring equipment to work normally of above-mentioned proposition; And the technical matters that produces proposes a kind of navigation thrust power of high reliability and the lithium battery group check-out console device of electronic equipment power.Fully take into account the device that detects lithium primary battery group or lithium secondary battery and waited multiple disturbing factor under can complex environment aloft, under water.Taked control device as shown in Figure 7, control interference source, the measures such as route of transmission and protection sensitive body of cutting off guarantee that this device can realize being sent to master console to values of information such as resulting voltage, electric currents after collection, computing, the storage.
The technical scheme that the utility model provides is:
The lithium battery group check-out console device of a kind of navigation thrust power of high reliability and electronic equipment power, this device comprises forceful electric power insurance circuit, sensor circuit; Input filter, warehouse separated type housing, testing circuit; The detection filter device is characterized in that: said testing circuit also comprises the D shape connector of filtering, and this testing circuit is responsible for the data acquisition of electric current, voltage, the processing of data; And the communication through 485 communication interfaces and host computer; Said warehouse separated type housing is provided with forceful electric power storehouse, sensor storehouse, detects storehouse and cable distribution compartment, because electromagnetic wave is the main mode of electromagnetic energy travels, during high-frequency circuit work; The outside radiated electromagnetic wave of meeting produces interference to contiguous miscellaneous equipment.On the other hand, the various electromagnetic waves in space also can be sensed in the circuit, and circuit is caused interference.The effect of electromagnetic screen is to cut off the electromagnetic wave propagation approach, disturbs thereby eliminate.Therefore set up the warehouse separated type housing, the forceful electric power circuit is separated and shields to reach solving electromagnetic interference problem effectively with the light current circuit.This warehouse separated type housing also comprises testing circuit cover plate assembly, installing plate assembly, forceful electric power protecting cap board component and distribution cover plate assembly, described forceful electric power insurance circuit, and the connection between sensor circuit and the testing circuit has all been passed through cable distribution compartment and has been reduced the interference between each circuit; The both sides of said installing plate assembly are provided with the equipment mounting hole, are used for this device is fixed on the electronic equipment of equipment lithium battery group to be detected, are the auxiliary devices of lithium battery as lithium battery group check-out console device; Required test item and this device self electric power all needs to be introduced outward by equipment; Therefore, but be provided with the growth data input interface, electronic equipment power input interface and navigating power input interface in a side of this warehouse separated type housing; Because the line of all inputs must keep fully; So the opposite side at this warehouse separated type housing is provided with navigating power output interface 2, navigating power output interface 1 and electronic equipment output interface, the circuit that electronic equipment power input interface and navigating power input interface are imported is again by navigating power output interface 2; Navigating power output interface 1 and the output of electronic equipment output interface; Wherein navigating power output interface 2 is expansion branch lines of navigating power output interface 1, simultaneously in order to realize real-time data communication, in said electronic equipment output interface, has increased by 485 communication line interfaces; Described forceful electric power insurance circuit is placed in the forceful electric power storehouse; The realization forceful electric power is isolated, and described sensor circuit is placed in the sensor storehouse, realizes the acquired signal data isolation; Described testing circuit is placed in and detects in the storehouse, realizes the light current isolation;
Incoming line in the described navigating power input interface is connected with the forceful electric power insurance circuit; Be connected to the output line of navigating power output interface 1 through the forceful electric power insurance circuit; Be connected with sensor circuit through cable distribution compartment through detection line simultaneously; Becoming the electric signal that send through sensor circuit links to each other with testing circuit through the D shape connector of signal line passes cable distribution compartment to filtering again; Guarantee to detect the stable of data, testing circuit send, is connected information such as resulting voltage, electric current to be sent to information with electronic equipment power delivery outlet through 485 connections after the collection, computing, storage and navigates by water control center through change;
Electronic equipment power input interface is as electronic equipment power power supply passage; This electronic equipment power input interface power supply input gets into the back and is exported by the electronic equipment output interface through behind the input filter; This power supply is supplied with sensor circuit through cable distribution compartment simultaneously, arrives to detect in the storehouse through cable distribution compartment simultaneously and supplies power to testing circuit through the detection filter device;
Shown in Fig. 7 shielding principle figure, the hole seam on the shield is one of principal element that causes the shield leakage.The electromagnetic leakage that the hole seam produces is relevant with the factors such as distance of electromagnetic frequency, kind, radiation source and hole, and therefore described testing circuit cover plate assembly, installing plate assembly, forceful electric power protecting cap board component all post the electromagnetic screen bar with its interface position of counterpart of storehouse sandwich type element respectively with distribution shell lamina tecti assembly and be connected through the wringing fit screw retention.
Electromagnetic environment will be considered electromagnetic environment characteristic; Spectral characteristic; Therefore electromagnetic energy, the material that adopted of described warehouse separated type housing and testing circuit cover plate assembly, installing plate assembly, forceful electric power protecting cap board component and distribution shell lamina tecti assembly is that high conductivity material, density are little, the materials of aluminum 2A12-T3 of weather (through surface treatment) is as the shield material.
The electromagnetic wavelength of arbitrary frequency is: wavelength (the λ)=light velocity (C)/frequency (Hz); Hole seam length is 1/2 o'clock of wavelength; Electromagnetic wave begins the speed decay with 20dB/10 frequency multiplication (1/10 cutoff frequency) or 6dB/8 frequency multiplication (1/2 cutoff frequency); Through calculating; The spacing of each screw of being fixed between said warehouse separated type housing and described testing circuit cover plate assembly, installing plate assembly, forceful electric power protecting cap board component and the distribution shell lamina tecti assembly is not more than 150mm; Effective contact distance is controlled in the 15mm, and the joint face between this warehouse separated type housing and described testing circuit cover plate assembly, installing plate assembly, forceful electric power protecting cap board component and the distribution shell lamina tecti assembly is provided with the supershielded bar, is used for the reinforcement processing that shields between the seam in each storehouse of storehouse sandwich type element.
Widen the exhibition Data Input Interface; Electronic equipment power input interface; With navigating power input interface, navigating power output interface 2, navigating power output interface 1 is an aviation plug with the employing of electronic equipment output interface; The junction of each aviation plug and said warehouse separated type housing is provided with high-quality electromagnetic screen sealing gasket, has guaranteed reliability and shielding that circuit connects.
Said sensor circuit is realized electric current, voltage measurement; Be connected with said testing circuit through detection line, in testing circuit through transmission circuit and A/D convertor circuit and computing unit through change give, collection, computing, storage be sent to the navigation control module with the electric current that obtains, voltage signal through 485 communication ports; Its sensor circuit, power supply be by electronic equipment input interface input, provide through input filter, the power supply of testing circuit is to provide through the detection filter device after detecting the storehouse through arriving through cable distribution compartment behind the input filter again.
The function that the utility model is realized is following:
The lithium battery group check-out console device of the navigation thrust power of a kind of high reliability of the utility model and electronic equipment power, be made up of 4 parts: first's electric current, voltage measurement adopt electric current, voltage sensor to send electric current, voltage on the check-out console single-chip microcomputer through the AD conversion; Second portion is the DC-DC power supply, and its effect is for system's power supply, adopts DC ± 15V power supply; Third part is formed testing circuit by CPU and storer and CPU peripheral cell, is responsible for the collection of data, the processing of data; The 4th part is 485 communication interfaces, is responsible for the communication with host computer.
In order to guarantee Electro Magnetic Compatibility, strong and weak electricity separately, shield between line when in circuit, adopting imput output circuit all to take isolation, Filtering Processing, wiring.Structurally adopt housing to adopt the warehouse separated type structure, all mechanical interfaces add shielding part, measures such as compartment shield.According to above 4 ingredients, set up 4 functional storehouses on the structure, be respectively: forceful electric power storehouse, sensor storehouse, control storehouse and cable distribution compartment are placed in different circuits in the different storehouses.
Guarantee the security and the reliability of lithium battery group check-out console device of navigation thrust power and the electronic equipment power of a kind of high reliability of the utility model, thereby improved the convenience of the on-line monitoring of this device.
Description of drawings
Fig. 1 is the navigation thrust power of a kind of high reliability of the utility model and the lithium battery group check-out console apparatus structure simplified schematic diagram of electronic equipment power;
Fig. 2 is the outward appearance simplified schematic diagram of this lithium battery check-out console device of the utility model;
Fig. 3 is each minute storehouse assembling effect synoptic diagram of this lithium battery check-out console device of the utility model;
Fig. 4 is the branch storehouse synoptic diagram of this lithium battery check-out console device of the utility model;
Fig. 5 is that the distribution of this lithium battery check-out console device of the utility model connects simplified schematic diagram;
Fig. 6 is the cable distribution compartment synoptic diagram of this lithium battery check-out console device of the utility model;
Fig. 7 shielding principle figure
Embodiment
Explain the utility model in more detail below in conjunction with reference diagram.
With certain underwater propeller is example, and this thruster is equipped with the dynamic lithium battery group.Detect the electric battery output end voltage from this lithium battery group, be respectively one tunnel navigation thrust power output voltage (260～400V) with No. one electronic equipment power output voltage (24～36V).Detect the electric battery output end current, be respectively one tunnel navigation thrust power output current (0～30A) with No. one electronic equipment power output current (0～10A).The device of the utility model is installed on this underwater propeller, can be further improved the service efficiency of this underwater propeller, specifically describe as follows:
See also Fig. 1, the lithium battery group check-out console device of a kind of navigation thrust power of high reliability and electronic equipment power, this device comprises forceful electric power insurance circuit (9); Sensor circuit (11), input filter (12), warehouse separated type housing (14); Testing circuit (15), detection filter device (16) is characterized in that: please refer to Fig. 3; Said testing circuit (15) also comprises the D shape connector (15-1) of filtering, and this testing circuit (15) is responsible for the data acquisition of electric current, voltage, the processing of data, and passes through the communication of 485 communication interfaces and host computer; Please refer to Fig. 2; From figure, can find out that this device is the device of an enclosed construction, therefore can satisfy the environmental requirement of the power puopulsion equipment of underwater operation, please refer to Fig. 4, Fig. 6; Said warehouse separated type housing (14) is provided with forceful electric power storehouse (14-1), sensor storehouse (14-2), detects storehouse (14-3) and cable distribution compartment (14-4), and the electric battery check-out console is the low frequency magnetic field of no clear and definite low-voltage and high-current generation in the working environment under water.The voltage, the current detecting that only are used for the lithium battery group belong to the control circuit of direct current, low frequency low speed, and the interference of generation mainly shows as the electric field or the interference of electromagnetic field of low power density, so emphasis is in shielding, interface filtering etc.Because electromagnetic wave is the main mode of electromagnetic energy travels, during high-frequency circuit work, the outside radiated electromagnetic wave of meeting disturbs contiguous miscellaneous equipment generation.On the other hand, the various electromagnetic waves in space also can be sensed in the circuit, and circuit is caused interference.The effect of electromagnetic screen is to cut off the electromagnetic wave propagation approach, disturbs thereby eliminate.Therefore set up warehouse separated type housing (14), the forceful electric power circuit is separated and shields to reach solving electromagnetic interference problem effectively with the light current circuit.Please refer to Fig. 1; This warehouse separated type housing (14) also comprises testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and distribution cover plate assembly (10); Described forceful electric power insurance circuit (9); Connection between sensor circuit (11) and the testing circuit (15) has all been passed through cable distribution compartment and has been reduced the interference between each circuit, and the both sides of said installing plate assembly (2) are provided with the equipment mounting hole, is used for this device is fixed on the underwater propeller of equipment lithium battery group to be detected; As lithium battery group check-out console device is the auxiliary device of lithium battery; Required test item and this device self electric power all needs to be introduced outward by equipment, and the test item that this instance is introduced is respectively: detect the electric battery output voltage, navigation thrust power output voltage (260～400V) with No. one electronic equipment power output voltage (24～36V).
Detect the electric battery output end current, be respectively one tunnel navigation thrust power output current (0～30A) with No. one electronic equipment power unit output current (0～10A).
Therefore, at this warehouse separated type housing (14) but a side be provided with growth data input interface (4), electronic equipment power input interface (5) and navigating power input interface (6); Because the line of all inputs must keep fully, so be provided with navigating power output interface 2 (7) at the opposite side of this warehouse separated type housing (14), navigating power output interface 1 (8) and electronic equipment output interface (13); With the circuit of electronic equipment power input interface (5) and navigating power input interface (6) input again by navigating power output interface 2 (7); Navigating power output interface 1 (8) and electronic equipment output interface (13) output, wherein navigating power output interface 2 (7) is the expansion branch line of navigating power output interface 1 (8), simultaneously in order to realize real-time data communication; In said electronic equipment output interface (13), increased by 485 communication line interfaces; Please refer to Fig. 3, Fig. 4, described forceful electric power insurance circuit (9) is placed in the forceful electric power storehouse (14-1), realizes the forceful electric power isolation; Described sensor circuit (11) is placed in the sensor storehouse (14-2); Realize the acquired signal data isolation, described testing circuit (15) is placed in and detects in the storehouse (14-3), realizes the light current isolation;
Please refer to Fig. 5, Fig. 6; Incoming line in the described navigating power input interface (6) is connected with forceful electric power insurance circuit (9); Be connected to the output line of navigating power output interface 1 (8) through forceful electric power insurance circuit (9); Be connected with sensor circuit (11) through cable distribution compartment (14-4) through detection line simultaneously; Becoming the electric signal that send through sensor circuit (11) links to each other with testing circuit (15) through the D shape connector (15-1) of signal line passes cable distribution compartment (14-4) to filtering again; Cable distribution compartment (14-4) has played connection forceful electric power storehouse (14-1); Sensor storehouse (14-2) and detect the transitional function in storehouse (14-3) guarantees to detect the stable of data, and testing circuit (15) send, is connected information such as resulting voltage, electric current to be sent to information to navigate by water with electronic equipment power delivery outlet (13) through 485 connections after the collection, computing, storage and controls control center through change;
Electronic equipment power input interface (5) is as electronic equipment power power supply passage; This electronic equipment power input interface (5) power supply input gets into the back and is exported by electronic equipment output interface (13) through input filter (12) back; This power supply is supplied with sensor circuit (11) through cable distribution compartment (14-4) simultaneously, arrives to detect in the storehouse (14-3) through cable distribution compartment (14-4) simultaneously and gives testing circuit (15) power supply through detection filter device (16);
Shown in Fig. 7 shielding principle figure, the hole seam on the shield is one of principal element that causes the shield leakage.The electromagnetic leakage that the hole seam produces is relevant with the factors such as distance of electromagnetic frequency, kind, radiation source and hole, and therefore described testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) all post the electromagnetic screen bar with its interface position of counterpart of storehouse sandwich type element (14) respectively with distribution shell lamina tecti assembly (10) and be connected through the wringing fit screw retention.
Please refer to Fig. 1; Electromagnetic environment will be considered electromagnetic environment characteristic; Spectral characteristic; Therefore electromagnetic energy, the material that adopted of described warehouse separated type housing (14) and testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and distribution shell lamina tecti assembly (10) is that high conductivity material, density are little, the materials of aluminum 2A12-T3 of weather (through surface treatment) is as the shield material.
The electromagnetic wavelength of arbitrary frequency is: wavelength (the λ)=light velocity (C)/frequency (Hz); Hole seam length is 1/2 o'clock of wavelength; Electromagnetic wave begins the speed decay with 20dB/10 frequency multiplication (1/10 cutoff frequency) or 6dB/8 frequency multiplication (1/2 cutoff frequency); Through calculating; The spacing of each screw of being fixed between said warehouse separated type housing (14) and described testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and the distribution shell lamina tecti assembly (10) is not more than 150mm; Effective contact distance is controlled in the 15mm; Joint face between this warehouse separated type housing (14) and described testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and the distribution shell lamina tecti assembly (10) is provided with the supershielded bar, and the reinforcement that is used for shielding between the seam in each storehouse of storehouse sandwich type element (14) is handled.
Widen exhibition Data Input Interface (4); Electronic equipment power input interface (5); With navigating power input interface (6), navigating power output interface 2 (7), what navigating power output interface 1 (8) and electronic equipment output interface (13) adopted is aviation plug; The junction of each aviation plug and said warehouse separated type housing (14) is provided with the quality seal pad, has guaranteed reliability and shielding that circuit connects.
Said sensor circuit (11) is realized electric current, voltage measurement; Be connected with said testing circuit (15) through detection line, in testing circuit (15) through transmission circuit and A/D convertor circuit and computing unit through change give, collection, computing, storage be sent to the navigation control module with the electric current that obtains, voltage signal through 485 communication ports;
Owing to intense radiation circuit or extremely sensitive circuit have been taked shadow shield; Again interference source or interfered circuit are taked the filtering of plate level; Therefore its sensor circuit (11), power supply be to import by electronic equipment input interface (5); Provide through input filter (12); The power supply of testing circuit (15) is through providing through passing through detection filter device (16) again behind cable distribution compartment (14-4) the arrival detection storehouse (14-3) behind the input filter (12), further having reduced the signal in the link through twice filtering and disturbed.
Claims (5)
1. the lithium battery group check-out console device of the navigation thrust power of a high reliability and electronic equipment power, this device comprises forceful electric power insurance circuit (9), sensor circuit (11); Input filter (12); Warehouse separated type housing (14), testing circuit (15), detection filter device (16); It is characterized in that: said testing circuit (15) also comprises the D shape connector (15-1) of filtering; Said warehouse separated type housing (14) is provided with forceful electric power storehouse (14-1), sensor storehouse (14-2), detection storehouse (14-3) and cable distribution compartment (14-4), and this warehouse separated type housing (14) also comprises testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and distribution cover plate assembly (10), and the both sides of said installing plate assembly (2) are provided with the equipment mounting hole; At this warehouse separated type housing (14) but a side be provided with growth data input interface (4); Electronic equipment power input interface (5) and navigating power input interface (6) are provided with navigating power output interface 2 (7), navigating power output interface 1 (8) and electronic equipment output interface (13) at the opposite side of this warehouse separated type housing (14); Contain 485 communication line interfaces in the said electronic equipment output interface (13); Described forceful electric power insurance circuit (9) is placed in the forceful electric power storehouse (14-1), and described sensor circuit (11) is placed in the sensor storehouse (14-2), and described testing circuit (15) is placed in and detects in the storehouse (14-3);
Incoming line in the described navigating power input interface (6) is connected with forceful electric power insurance circuit (9); Be connected to the output line of navigating power output interface 1 (8) through forceful electric power insurance circuit (9); Be connected with sensor circuit (11) through cable distribution compartment (14-4) through detection line simultaneously; Become the electric signal that send through sensor circuit (11) and link to each other with testing circuit (15) through the D shape connector (15-1) of signal line passes cable distribution compartment (14-4) to filtering again, testing circuit (15) is connected with electronic equipment power delivery outlet (13) through connection;
Electronic equipment power input interface (5) power supply input gets into the back and passes through input filter (12) back by electronic equipment output interface (13) output, said detection filter device (16) connection detection circuit road (15);
Described testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and distribution shell lamina tecti assembly (10) all post the electromagnetic screen bar with its interface position of counterpart of storehouse sandwich type element (14) respectively and are connected through the wringing fit screw retention.
2. the lithium battery group check-out console device of the navigation thrust power of a kind of high reliability according to claim 1 and electronic equipment power, it is characterized in that: the material that described warehouse separated type housing (14) and testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and distribution shell lamina tecti assembly (10) are adopted is aluminium 2A12-T3.
3. the lithium battery group check-out console device of the navigation thrust power of a kind of high reliability according to claim 1 and electronic equipment power; It is characterized in that: the spacing of each screw of being fixed between said warehouse separated type housing (14) and described testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and the distribution shell lamina tecti assembly (10) is not more than 150mm, and the joint face between this warehouse separated type housing (14) and described testing circuit cover plate assembly (1), installing plate assembly (2), forceful electric power protecting cap board component (3) and the distribution shell lamina tecti assembly (10) is provided with the supershielded bar.
4. according to the navigation thrust power of the said a kind of high reliability of claim 1 and the lithium battery group check-out console device of electronic equipment power; It is characterized in that: widen exhibition Data Input Interface (4); Electronic equipment power input interface (5) and navigating power input interface (6), navigating power output interface 2 (7); What navigating power output interface 1 (8) and electronic equipment output interface (13) adopted is aviation plug, and the junction of each aviation plug and said warehouse separated type housing (14) is provided with the quality seal pad.
5. according to the navigation thrust power of the said a kind of high reliability of claim 1 and the lithium battery group check-out console device of electronic equipment power; It is characterized in that: said sensor circuit (11) is realized electric current, voltage measurement, is connected with said testing circuit (15) through detection line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203244550U CN202196160U (en) | 2011-09-01 | 2011-09-01 | High-reliability Li-ion battery pack detection panel device for navigation propulsion power units and electronic equipment power units |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203244550U CN202196160U (en) | 2011-09-01 | 2011-09-01 | High-reliability Li-ion battery pack detection panel device for navigation propulsion power units and electronic equipment power units |
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| CN202196160U true CN202196160U (en) | 2012-04-18 |
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|---|---|---|---|
| CN2011203244550U Expired - Fee Related CN202196160U (en) | 2011-09-01 | 2011-09-01 | High-reliability Li-ion battery pack detection panel device for navigation propulsion power units and electronic equipment power units |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616835A (en) * | 2018-10-16 | 2019-04-12 | 西北铁道电子股份有限公司 | One kind being applied to GYK equipment and has multi-functional circuit interface plate |
| CN109699135A (en) * | 2019-01-22 | 2019-04-30 | 珠海格力电器股份有限公司 | Electric appliance case assembly, air conditioner |
-
2011
- 2011-09-01 CN CN2011203244550U patent/CN202196160U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616835A (en) * | 2018-10-16 | 2019-04-12 | 西北铁道电子股份有限公司 | One kind being applied to GYK equipment and has multi-functional circuit interface plate |
| CN109616835B (en) * | 2018-10-16 | 2024-03-22 | 西北铁道电子股份有限公司 | Multifunctional circuit interface board applied to GYK equipment |
| CN109699135A (en) * | 2019-01-22 | 2019-04-30 | 珠海格力电器股份有限公司 | Electric appliance case assembly, air conditioner |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20140901 |
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| EXPY | Termination of patent right or utility model |