CN203608099U - Refrigeration device and power supply used in control system of refrigeration device - Google Patents
Refrigeration device and power supply used in control system of refrigeration device Download PDFInfo
- Publication number
- CN203608099U CN203608099U CN201320733357.1U CN201320733357U CN203608099U CN 203608099 U CN203608099 U CN 203608099U CN 201320733357 U CN201320733357 U CN 201320733357U CN 203608099 U CN203608099 U CN 203608099U
- Authority
- CN
- China
- Prior art keywords
- power supply
- filter
- output
- refrigeration plant
- control system
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Rectifiers (AREA)
Abstract
The utility model provides a refrigeration device and a power supply used in a control system of the refrigeration device. The power supply comprises a rectification and filtering device which is used for converting an alternate current in to a direct current with a first preset voltage; an output terminal; a feedback module which is used for carrying out feedback for the output voltage to generate a feedback signal, and which is connected with the output terminal; a switch chip, which is connected with the rectification and filtering device and the feedback module, and converts the direct current into pulse direct current according to the first preset value of the feedback signal; and a first filter, which is connected with the switch chip and the output terminal, filters out the ripple wave in the direct current to generate a direct current with a second preset voltage, and outputs the direct current through the output terminal. The power supply is capable of converting the alternate current into a low-voltage direct current to output, so that stability of power supply output is guaranteed. In addition, the switch chip is employed in the power supply, so that standby power consumption is reduced, the number of elements is reduced, and low cost is achieved. The utility model also provides a refrigeration device.
Description
Technical field
The utility model relates to art of refrigeration units, particularly a kind of refrigeration plant and the power supply for the control system of refrigeration plant.
Background technology
At present, domestic refrigerator still adopts mechanical temp controlled mostly, adopts the refrigerator of electric-control system also little, and adopts on a small quantity the power supply of electric-control system mostly to adopt RC step-down or linear power supply.Wherein, RC step-down cost is lower, construction cycle is short, but the power output of RC step-down is limited, there is no good load capacity, power output and electric capacity positive correlation, can increase power output although increase capacitance, but cost also can increase accordingly, and RC step-down is stricter to running environment requirement, work that can not be steady in a long-term.And for linear power supply, be operated in magnifying state owing to adjusting pipe, thereby caloric value is larger, bulky fin be need to add, and bulky Industrial Frequency Transformer, high cost needed, volume is excessive, on small-sized refrigerator, install inconveniently, be not too suitable for the power-supply system of refrigerator, and it is too low to work as the efficiency of linear power supply, generally 35%, requiring under stricter condition in energy consumption, is not very applicable, and therefore correlation technique exists improved needs.
Utility model content
The purpose of this utility model is intended to solve at least to a certain extent above-mentioned technological deficiency.
For this reason, object of the utility model is to propose a kind of power supply of the control system for refrigeration plant, alternating current can be converted to low-voltage DC output, can guarantee the stable of power supply output, and adopt the high switch chip of conversion efficiency, reduce stand-by power consumption, and components and parts are few, cost is low.
Another object of the present utility model is to propose a kind of refrigeration plant.
For achieving the above object, the utility model first aspect has proposed a kind of power supply of the control system for refrigeration plant, comprising: for the alternating current of input being converted to the galvanic rectifier filter of the first predeterminated voltage; Output; For the output voltage of described power supply being fed back to generate the feedback module of feedback signal, described feedback module is connected with described output; Switch chip, described switch chip is connected respectively with described feedback module with described rectifier filter, and described switch chip is converted into Rectified alternating current according to described feedback signal by the direct current of described the first predeterminated voltage; With the first filter, described the first filter is connected respectively with described output with described switch chip, ripple described in described the first filter filtering in Rectified alternating current is to generate the direct current of the second predeterminated voltage, and export by described output, wherein, described the second predeterminated voltage is less than described the first predeterminated voltage.
According to the power supply of the control system for refrigeration plant the utility model proposes, alternating current can be converted to high voltage direct current, and by switch chip, high voltage direct current be converted into Rectified alternating current, Rectified alternating current filtering is converted to low-voltage DC output, can guarantee the stable of power supply output, in addition, the utility model adopts switch chip, and conversion efficiency is high, thereby minimizing stand-by power consumption, and components and parts are few, be beneficial to and realize miniaturization, and cost are low.
Further, the power supply of the described control system for refrigeration plant also comprises the electromagnetic interface filter being connected between described rectifier filter and the alternating current of described input.
Wherein, described rectifier filter comprises: the rectifier being connected with the output of described electromagnetic interface filter; With the second filter being connected with the output of described rectifier.
Preferably, described the second filter can be ∏ mode filter.
Preferably, described the first filter can be LC filter.
Further, described the first filter comprises: the first inductance, and one end of described the first inductance is connected with described switch chip; The first electrochemical capacitor, the positive terminal of described the first electrochemical capacitor is connected with the other end of described the first inductance, the negative pole end ground connection of described the first electrochemical capacitor, the two ends of described the first electrochemical capacitor are as described output.
In the utility model, described feedback module comprises the first resistance and second resistance of series connection, between the first resistance of described series connection and the second resistance, has first node, and described first node is connected with described switch chip.
For achieving the above object, the utility model second aspect has proposed a kind of refrigeration plant, comprises the power supply of the above-mentioned control system for refrigeration plant.
According to the refrigeration plant the utility model proposes, alternating current can be converted to high voltage direct current, and by switch chip, high voltage direct current be converted into Rectified alternating current, Rectified alternating current filtering is converted to low-voltage DC output, can guarantee the stable of power supply output, in addition, the utility model adopts switch chip, and conversion efficiency is high, thereby minimizing stand-by power consumption, and components and parts are few, be beneficial to and realize miniaturization, and cost are low.
Preferably, described refrigeration plant can be refrigerator.
The aspect that the utility model is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
The utility model above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments obviously and easily and understand, wherein:
Fig. 1 is according to the block diagram of the power supply of the control system for refrigeration plant of the utility model embodiment; With
Fig. 2 is according to the circuit diagram of the power supply of the control system for refrigeration plant of an embodiment of the utility model.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts to specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the present utility model, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
The refrigeration plant that proposes according to the utility model embodiment and the power supply for the control system of refrigeration plant are described with reference to the accompanying drawings.
First describe the power supply of the control system for refrigeration plant of the utility model embodiment with reference to the accompanying drawings.
As shown in Figure 1, the power supply of the control system for refrigeration plant of the utility model embodiment comprises: rectifier filter 100, output 200, feedback module 300, switch chip 400 and the first filter 500.
Wherein, rectifier filter 100 is for being converted to the alternating current AC of input the direct current of the first predeterminated voltage.Feedback module 300 is connected with output 200, and feedback module 300 is for feeding back to generate feedback signal to the output voltage of power supply.Switch chip 400 is connected respectively with feedback module 300 with rectifier filter 100, and switch chip 400 is converted into Rectified alternating current according to feedback signal by the direct current of the first predeterminated voltage.The first filter 500 is connected respectively with output 200 with switch chip 400, the first filter 500 for the ripple of filtering Rectified alternating current to generate the direct current of the second predeterminated voltage, and export by output 200, wherein, the second predeterminated voltage is less than the first predeterminated voltage.
According to embodiment of the present utility model, the alternating current AC of input is converted to high voltage direct current by rectifier filter 100, switch chip 400 is converted into Rectified alternating current according to the feedback signal of feedback module 300 by high voltage direct current, ripple in last the first filter 500 filtering Rectified alternating currents, say that Rectified alternating current filtering is converted to low-voltage DC by the first filter 500, and export by output 200, thereby can guarantee the stable of power supply output, in addition, the common integrated various defencive functions of switch chip 400, peripheral components and cloth board space are reduced, can reduce costs, and because the switching frequency of switch chip 400 is very high, can use common small inductor to reach higher output current, output current can reach 300mA, instead of linear power supply completely.Therefore, embodiment of the present utility model adopts switch chip 400, and conversion efficiency is high, thereby reduces stand-by power consumption, and components and parts are few, are beneficial to and realize miniaturization, and cost is low, is easy to promote.
In an embodiment of the present utility model, as shown in Figure 2, the first filter 500 can be LC filter.Particularly, the first filter 500 is composed in series by the first inductance L 1 and the first electrochemical capacitor CE1, wherein, one end of the first inductance L 1 is connected with switch chip 400, the positive terminal of the first electrochemical capacitor CE1 is connected with the other end of the first inductance L 1, the negative pole end ground connection of the first electrochemical capacitor CE1, the two ends of the first electrochemical capacitor CE1 are as output 200.It should be noted that, the selection of the first inductance L 1 and the first electrochemical capacitor CE1 has determined the ripple size of the output voltage of power supply.
Preferably, in an embodiment of the present utility model, as shown in Figure 2, rectifier filter 100 comprises rectifier 101 and the second filter 102.Wherein, rectifier 101 is connected with the output of electromagnetic interface filter 600, and the second filter 102 is connected with the output of rectifier 101.Particularly, rectifier 101 can be the bridge rectifier being made up of the first diode D1, the second diode D2, the 3rd diode D3 and the 4th diode D4.Preferably, in an embodiment of the present utility model, as shown in Figure 2, the second filter 102 can be ∏ mode filter, and the second filter 102 is made up of the 3rd electrochemical capacitor CE3, the 4th electrochemical capacitor CE4 and the second inductance L 2.
In an embodiment of the present utility model, as shown in Figure 2, feedback module 300 comprises the first resistance R 1 and second resistance R 2 of series connection.Between the first resistance R 1 of series connection and the second resistance R 2, there is first node a, one end of one end of the first resistance R 1 and the second resistance R 2 intersects at first node a, first node a is connected with switch chip 400, particularly, first node a is connected with the pin two of switch chip 400, the other end of the first resistance R 1 is connected with output 200, and the other end of the second resistance R 2 is connected with the pin 5 of switch chip 400.Wherein, the first resistance R 1 and the second resistance R 2 are feedback resistance, and the value of the first resistance R 1 and the second resistance R 2 can be controlled the size of the output voltage of power supply.
In an embodiment of the present utility model, as shown in Figure 2, this power supply that is used for the control system of refrigeration plant also comprises the first capacitor C 1, the second electrochemical capacitor CE2, the 5th diode D5, the 6th diode D6 and the 3rd resistance R 3.Particularly, one end of the first capacitor C 1 is connected with the pin one of switch chip 400, and the other end of the first capacitor C 1 is connected with the pin 5 of switch chip 400.The positive terminal of the second electrochemical capacitor CE2 is connected with the other end of the first resistance R 1, the negative pole end of the second electrochemical capacitor CE2 is connected with the other end of the second resistance R 2, the negative electrode of the 5th diode D5 is connected with the positive terminal of the second electrochemical capacitor CE2, the anode of the 5th diode D5 is connected with output, the negative electrode of the 6th diode D6 is connected with the other end of the second resistance R 2, the plus earth of the 6th diode D6.One end of the 3rd resistance R 3 is connected with output 200, and the other end ground connection of the 3rd resistance R 3 it should be noted that the 3rd resistance R 3 is for dummy load, in order to guarantee that power supply power supply when the zero load probably has the electric current of 10mA, thereby prevents that power supply output is unstable.
Further, in an embodiment of the present utility model, as shown in Figure 2, the power supply of the control system for refrigeration plant of the utility model embodiment also comprises electromagnetic interface filter 600.Electromagnetic interface filter 600 is connected between rectifier filter 100 and the alternating current AC of input.Particularly, electromagnetic interface filter 600 is made up of reactor RV1 and the second capacitor C 2, and one end of reactor RV1 is connected with the L end of the alternating current AC of input, and the other end of reactor RV1 is connected with the N end of the alternating current AC of input.Preferably, in an embodiment of the present utility model, the voltage range of the alternating current AC of input can be global input voltage range, i.e. 85V～265V.Whole world input voltage range can guarantee the consistency of power supply exploitation, need not be for different input voltage overlapping development power supplys.
In addition, in an embodiment of the present utility model, as shown in Figure 2, the power supply of the above-mentioned control system for refrigeration plant also comprises the first fuse F1, and the first fuse F1 is connected between the L end and reactor RV1 of alternating current AC of input.
In a specific embodiment of the present utility model, as shown in Figure 2, the operation principle of the power supply of the above-mentioned control system for refrigeration plant is: the input of power supply can meet the alternating current AC of global voltage range, the voltage range of the alternating current AC of input is 85V～265V, the alternating current AC of input is through electromagnetic interface filter 600, the bridge rectifier of rectifier 101, the ∏ type filtering of the second filter 102 is converted to high voltage direct current, feedback module 300 feeds back to generate feedback signal to output voltage, switch chip 400 is converted to Rectified alternating current according to feedback signal by high voltage direct current, finally by cross the LC filtering of the first filter 500 by the ripple filtering in Rectified alternating current so that Rectified alternating current is converted to low-voltage DC, wherein, feedback resistance in feedback module 300 is the size that the value of the first resistance R 1 and the second resistance R 2 can be controlled output voltage, the first inductance L 1 in the first filter 500 and the selection of the first electrochemical capacitor CE1 have determined the ripple size of output voltage, the 3rd resistance R 3 is dummy loads, in order to guarantee that power supply power supply when the zero load probably has the electric current of 10mA, thereby prevent that power supply output is unstable.
The power supply of the control system for refrigeration plant proposing according to the utility model embodiment, alternating current can be converted to high voltage direct current, and by switch chip, high voltage direct current be converted into Rectified alternating current, Rectified alternating current filtering is converted to low-voltage DC output, can guarantee the stable of power supply output, in addition, embodiment of the present utility model adopts switch chip, and conversion efficiency is high, thereby minimizing stand-by power consumption, and components and parts are few, be beneficial to and realize miniaturization, and cost are low.
In addition; the power supply of the control system for refrigeration plant of the present utility model; adopt the switch chip of various defencive functions integrated; reduce peripheral components, thereby make the size of power supply less, can reduce PCB (Printed Circuit Board; printed circuit board) cloth board space; be very suitable for the compact power supply mounting box of for example refrigerator of refrigeration plant, and components and parts are less, make power supply to realize cost low.Adopt switch chip conversion efficiency high, reduce stand-by power consumption, in addition, power input can connect the alternating current of global voltage range, can guarantee the consistency of power supply exploitation, need not be for different input voltage overlapping development power supplys.And because switch chip switching frequency is very high, can use common small inductor to reach higher output current, the output current of power supply can reach 300mA, completely instead of linear power supply.
In addition, the utility model second aspect embodiment has also proposed a kind of refrigeration plant.This refrigeration plant comprises the power supply of the above-mentioned control system for refrigeration plant.Preferably, in an embodiment of the present utility model, refrigeration plant can be refrigerator.
The refrigeration plant proposing according to the utility model embodiment, alternating current can be converted to high voltage direct current, and by switch chip, high voltage direct current be converted into Rectified alternating current, Rectified alternating current filtering is converted to low-voltage DC output, can guarantee the stable of power supply output, in addition, embodiment of the present utility model adopts switch chip, and conversion efficiency is high, thereby minimizing stand-by power consumption, and components and parts are few, be beneficial to and realize miniaturization, and cost are low.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that not departing from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is by claims and be equal to and limit.
Claims (9)
1. for a power supply for the control system of refrigeration plant, it is characterized in that, comprising:
For the alternating current of input being converted to the galvanic rectifier filter of the first predeterminated voltage;
Output;
For the output voltage of described power supply being fed back to generate the feedback module of feedback signal, described feedback module is connected with described output;
Switch chip, described switch chip is connected respectively with described feedback module with described rectifier filter, and described switch chip is converted into Rectified alternating current according to described feedback signal by the direct current of described the first predeterminated voltage; With
The first filter, described the first filter is connected respectively with described output with described switch chip, ripple described in described the first filter filtering in Rectified alternating current is to generate the direct current of the second predeterminated voltage, and export by described output, wherein, described the second predeterminated voltage is less than described the first predeterminated voltage.
2. the power supply of the control system for refrigeration plant as claimed in claim 1, is characterized in that, also comprises the electromagnetic interface filter being connected between described rectifier filter and the alternating current of described input.
3. the power supply of the control system for refrigeration plant as claimed in claim 1, is characterized in that, described rectifier filter comprises:
The rectifier being connected with the output of described electromagnetic interface filter; With
The second filter being connected with the output of described rectifier.
4. the power supply of the control system for refrigeration plant as claimed in claim 3, is characterized in that, described the second filter is ∏ mode filter.
5. the power supply of the control system for refrigeration plant as claimed in claim 1, is characterized in that, described the first filter is LC filter.
6. the power supply of the control system for refrigeration plant as claimed in claim 5, is characterized in that, described the first filter comprises:
The first inductance, one end of described the first inductance is connected with described switch chip;
The first electrochemical capacitor, the positive terminal of described the first electrochemical capacitor is connected with the other end of described the first inductance, the negative pole end ground connection of described the first electrochemical capacitor, the two ends of described the first electrochemical capacitor are as described output.
7. the power supply of the control system for refrigeration plant as claimed in claim 6, it is characterized in that, described feedback module comprises the first resistance and second resistance of series connection, between the first resistance of described series connection and the second resistance, has first node, and described first node is connected with described switch chip.
8. a refrigeration plant, is characterized in that, comprises the power supply of the control system for refrigeration plant as described in any one in claim 1-7.
9. refrigeration plant as claimed in claim 8, is characterized in that, described refrigeration plant is refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733357.1U CN203608099U (en) | 2013-11-18 | 2013-11-18 | Refrigeration device and power supply used in control system of refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733357.1U CN203608099U (en) | 2013-11-18 | 2013-11-18 | Refrigeration device and power supply used in control system of refrigeration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203608099U true CN203608099U (en) | 2014-05-21 |
Family
ID=50720757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320733357.1U Expired - Fee Related CN203608099U (en) | 2013-11-18 | 2013-11-18 | Refrigeration device and power supply used in control system of refrigeration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203608099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595269A (en) * | 2013-11-18 | 2014-02-19 | 合肥美的电冰箱有限公司 | Refrigeration equipment and power source used for control system of refrigeration equipment |
| CN104767377A (en) * | 2015-04-23 | 2015-07-08 | 江苏博克斯自动化控制工程有限公司 | Small ripple wave direct current switching power source |
-
2013
- 2013-11-18 CN CN201320733357.1U patent/CN203608099U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595269A (en) * | 2013-11-18 | 2014-02-19 | 合肥美的电冰箱有限公司 | Refrigeration equipment and power source used for control system of refrigeration equipment |
| CN104767377A (en) * | 2015-04-23 | 2015-07-08 | 江苏博克斯自动化控制工程有限公司 | Small ripple wave direct current switching power source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201491339U (en) | LED driving circuit | |
| CN203456389U (en) | Relay driving circuit | |
| CN203608099U (en) | Refrigeration device and power supply used in control system of refrigeration device | |
| CN204069441U (en) | LED illumination non-isolated drive circuit | |
| CN201097176Y (en) | Power supply controller | |
| CN202750021U (en) | Converter for converting alternating current into direct current | |
| CN102810986B (en) | A kind of series topology LED switch power circuit | |
| CN204497972U (en) | A kind of novel retention time circuit structure | |
| CN204652223U (en) | A kind of single-ended flyback small-power switching power-supply | |
| CN103595269A (en) | Refrigeration equipment and power source used for control system of refrigeration equipment | |
| CN204859636U (en) | Energy -conserving LED drive circuit | |
| CN203102061U (en) | Voltage stabilizer with auto-transformer | |
| CN202975087U (en) | Power supply circuit module for intelligent electric meter | |
| CN204481558U (en) | A kind of equipment control electronic tag power module | |
| CN113595412A (en) | LLC circuit and switching power supply | |
| CN202840989U (en) | Power supply circuit | |
| CN202374029U (en) | Module power supply for uninterruptedly supplying power with super capacitor as storage | |
| CN202004673U (en) | Step-down power circuit architecture | |
| CN106992698B (en) | Module power supply circuit with dual mode | |
| CN2935671Y (en) | TV switch power circuit | |
| CN105406711A (en) | Two-way voltage conversion control chip, two-way voltage converter and electronic watt-hour meter | |
| CN201418067Y (en) | Intelligent remote control switch with magnetic latching relay | |
| CN204030957U (en) | A kind of non-isolated power supply for refrigerator master control borad, refrigerator master control borad and refrigerator | |
| CN221467563U (en) | Voltage limiting isolation circuit, energy storage inversion power supply and energy storage inversion system | |
| CN100438300C (en) | Power supply detecting cirucit with power-saving under ready condition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20181118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |