CN203643576U - Relay detecting device - Google Patents
Relay detecting device Download PDFInfo
- Publication number
- CN203643576U CN203643576U CN201320805111.0U CN201320805111U CN203643576U CN 203643576 U CN203643576 U CN 203643576U CN 201320805111 U CN201320805111 U CN 201320805111U CN 203643576 U CN203643576 U CN 203643576U
- Authority
- CN
- China
- Prior art keywords
- resistor
- connects
- chip microcomputer
- led
- relay
- 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
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a relay detecting device. The device comprises a power supply, a control module and a detection module; the detection module comprises an attraction detecting circuit, a resistance detecting circuit and a display circuit; and the power supply, the attraction detecting circuit, the resistance detecting circuit and the display circuit are all connected with the control module. According to the relay detecting device, contact on-off state of a relay to be detected is detected by utilization of the attraction detecting circuit, resistance between contacts is detected by utilization of the resistance detecting circuit, so that on-off conditions and contact oxidation degree of the relay can be detected at the same time; and complexity of relay detection is reduced due to the fact that regulating voltage or current parameters are not required to be set.
Description
Technical field
The utility model relates to electric test technology, relates in particular to a kind of electric relay detection device.
Background technology
Relay is a kind of electronic control device; it has control system and by control system; be generally used in automatic control circuit, relay is a kind of automatic switch that removes to control larger electric current with less electric current, plays the effects such as automatic adjusting, safeguard protection in circuit.
Relay tester is in the market in the time of test relay for automobile, need regulation voltage or current parameters, complicated operation, the break-make that relay detected that existing relay tester can only be single in addition or the contact situation of electric shock, and be not suitable for automobile industry use.
Utility model content
In view of this, the utility model embodiment provides a kind of electric relay detection device, to detect the break-make situation of relay and the degree of oxidation of contact simultaneously, reduces the complexity of relay test.
The utility model embodiment provides a kind of electric relay detection device, described device comprises: comprising: power supply, control module and detection module, described detection module comprises adhesive testing circuit, resistance detecting circuit and display circuit, and described power supply, adhesive testing circuit, resistance detecting circuit and display circuit are all connected with described control module.
Further, described control module comprises single-chip microcomputer, the first button and the second button, described single-chip microcomputer adopts the single-chip microcomputer of STC12 series, the built-in analog to digital converter of described single-chip microcomputer, described the first button connects the first end 1 of described single-chip microcomputer, and described the second button connects the second end 2 of described single-chip microcomputer.
Further, described adhesive testing circuit comprises: the first resistor, the second resistor, the 3rd resistor, the 4th resistor, the 5th resistor, capacitor, diode and triode, one end of described the first resistor connects the 3rd end f of described single-chip microcomputer, the base stage of other end connecting triode, the base stage of described electric capacity and the second equal connecting triode in resistor one end, the other end all connects ground, the grounded emitter of described triode, collector connects the anode of described diode by the 3rd resistor, the negative electrode of described diode connects external power source, the two ends of described diode also connect first end 85 and second end 86 of relay coil to be detected, described the 4th resistor one end ground connection, the other end connects the 4th end d of described single-chip microcomputer, described the 5th resistor one end ground connection, the other end connects the five terminal e of described single-chip microcomputer.
Further, described triode is NPN type triode.
Further, described external power source is 12V or 24V.
Further, described resistance detecting circuit comprises the 6th resistor, the 7th resistor, the 8th resistor, one end of described the 6th resistor connects the 13 end a of described single-chip microcomputer, the other end connects the 6th end b of described single-chip microcomputer, one end of described the 7th resistor connects the 13 end a of described single-chip microcomputer, the other end connects the 7th end c of described single-chip microcomputer, and described the 8th resistor one end connects the 7th end c of described single-chip microcomputer, other end ground connection.
Further, described power acquisition TPS5430 chip, for generation of+5V voltage, be described control module power supply, the output terminal of described power supply connects the 13 end a of described single-chip microcomputer.
Further, described display circuit comprises: the 9th resistor, the tenth resistor, the 11 resistor, the one LED, the 2nd LED, the 3rd LED, the 4th LED and the 5th LED, a described LED, one end of the 2nd LED and the 3rd LED is all connected the 13 end a of described single-chip microcomputer by the 9th resistor, the other end connects respectively the 8th end g of described single-chip microcomputer, the 9th end h and the tenth end i, described the 4th LED one end connects the 13 end a of described single-chip microcomputer by the tenth resistor, the other end connects the tenth one end g of described single-chip microcomputer, described the 5th LED one end connects the 13 end 8 of described single-chip microcomputer by the 11 resistor, the other end connects the 12 end k of described single-chip microcomputer.
Further, it is characterized in that, described device also comprises flasher testing circuit, and described circuit comprises the 12 resistor and the 6th LED, one end of described the 12 resistor connects the first end L of flasher, and the other end connects the second end E of described flasher by described the 6th LED.
A kind of electric relay detection device that the utility model embodiment provides, when detecting relay contact on off operating mode to be detected by employing adhesive testing circuit, adopt resistance detecting circuit to detect the resistance between contact, when having realized the break-make situation of relay and contact oxidation degree, detect, the utility model, without regulation voltage or current parameters are set, has reduced the complexity of relay test in addition.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the electric relay detection device that provides of the utility model embodiment;
Fig. 2 is the schematic diagram of power supply in the electric relay detection device that provides of the utility model embodiment;
Fig. 3 is the schematic diagram of control module in the electric relay detection device that provides of the utility model embodiment;
Fig. 4 is the schematic diagram of adhesive testing circuit in the electric relay detection device that provides of the utility model embodiment;
Fig. 5 is the schematic diagram of resistance detecting circuit in the electric relay detection device that provides of the utility model embodiment;
Fig. 6 is the schematic diagram of display circuit in the electric relay detection device that provides of the utility model embodiment;
Fig. 7 is the schematic diagram of flasher testing circuit in the electric relay detection device that provides of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
Embodiment
Fig. 1 is the schematic diagram of the electric relay detection device that provides of the utility model embodiment, and described device comprises power supply 11, control module 12 and detection module 13.Wherein, described detection module 13 comprises adhesive testing circuit 131, resistance detecting circuit 132 and display circuit 133, and described power supply 11, adhesive testing circuit 131, resistance detecting circuit 132 and display circuit 133 are all connected with described control module 12.
Described power supply 11 is used to described control module 12 to power, preferably, can adopt TPS5430 chip, TPS5430 is a Switching Power Supply conversion chip, voltage that input voltage can be converted into+5V, be used to described control module 12 to power, Fig. 2 is the schematic diagram of power supply 11, described power supply 11 comprises resistor R1, resistor R2, capacitor C1, capacitor C2, capacitor C3, capacitor C4, inductance L 1, diode D1 and single-chip microcomputer U1, input end connects the first end U1-1 of described single-chip microcomputer U1, described capacitor C 3 and C4 are also connected in input end, and while ground connection, described output terminal is connected the second end U2-2 of described single-chip microcomputer UI with C2 by L1, described R1 one end connects output terminal, the other end is by R2 ground connection, one end of described R1 connection R2 also connects the 3rd end U1-3 of described single-chip microcomputer U1, described C1 is electrochemical capacitor, the anodal output terminal that connects, minus earth, the first pole plate of described C2 connects the second end U1-2 of described single-chip microcomputer U1, the second pole plate connects the 4th end U1-4 of described single-chip microcomputer U1, the negative electrode of described diode connects the 4th end U1-4 of U1, plus earth.The output terminal of described power supply 11, for output+5V voltage, connects the 13 end a of described control module 12.
Described control module 12 completes the detection of relay for controlling described detection module 13, as shown in Figure 3, described control module 12 can comprise single-chip microcomputer U2, the first button J1 and the second button J2, described single-chip microcomputer U2, preferably, can adopt the single-chip microcomputer of STC12 series, the built-in analog to digital converter of described single-chip microcomputer, the resistance value of building for detection of electric shock, described the first button J1 and the second button J2 are connected respectively first end 1 and the second end 2 of described single-chip microcomputer U2, described the first button J1 is for starting or stoping the testing process of relay, described the second button J2 is for selecting the type of relay to be detected, described relay to be detected can be four pin relays, also can be five pin relays.Described control module 12 also can comprise that program imports module J 3.
Described adhesive testing circuit 131 is for detection of the break-make situation of relay to be detected, Fig. 4 shows the schematic diagram of described adhesive testing circuit, described adhesive testing circuit 131, preferably, comprise the first resistor R3, the second resistor R4, the 3rd resistor R5, the 4th resistor R6, the 5th resistor R7, capacitor C5, diode D2, triode Q1, one end of described the first resistor R3 connects the 3rd end f of described single-chip microcomputer U2, the base stage of other end connecting triode Q1, the base stage of described capacitor C 5 and the second equal connecting triode Q1 in resistor R4 one end, the other end all connects ground, the grounded emitter of described triode Q1, collector connects the anode of described diode D2 by the 3rd resistor R5, the negative electrode of described diode D2 connects external power source, the two ends of described diode D2 also connect first end 85 and second end 86 of relay coil to be detected, described the 4th resistor R6 one end ground connection, the other end connects the 4th end d of described single-chip microcomputer, described the 5th resistor R6 one end ground connection, the other end connects the five terminal e of described single-chip microcomputer.Described external power source can be 12V, can be also 24V.
Described resistance detecting circuit 132 is for detection of the resistance between relay contact to be detected, Fig. 5 is the schematic diagram of described resistance detecting circuit, described resistance detecting circuit 132 comprises the 6th resistor R8, the 7th resistor R9, the 8th resistor R10, one end of described the 6th resistor R8 connects the 13 end a of described single-chip microcomputer U2, the other end connects the 6th end b of described single-chip microcomputer U2, one end of described the 7th resistor R9 connects the 13 end a, the other end connects the 7th end c of described single-chip microcomputer U2, described the 8th resistor R10 one end connects described single-chip microcomputer U2 the 7th end c, other end ground connection.
Described display circuit 133 is for showing the type of relay to be detected and the testing result of described adhesive testing circuit 131 and described resistance detecting circuit 132, as shown in Figure 6, described display circuit 133 comprises: the 9th resistor R11, the tenth resistor R12, the 11 resistor R13, the one LED, the 2nd LED, the 3rd LED, the 4th LED and the 5th LED (use respectively LED1 in the drawings, LED2, LED3, LED4, LED5 represents), a described LED, one end of the 2nd LED and the 3rd LED is all connected the 13 end a by the 9th resistor R11, the other end connects respectively the 8th end g of described single-chip microcomputer U2, the 9th end h and the tenth end i, described the 4th LED one end connects the 13 end a of described single-chip microcomputer U2 by the tenth resistor R13, the other end connects the tenth one end g of described single-chip microcomputer U2, described the 5th LED one end connects the 13 end a of described single-chip microcomputer U2 by the 11 resistor R13, the other end connects the 12 end k of described single-chip microcomputer U2.Wherein, in the time that the testing result of described adhesive testing circuit 132 is normal, shown by a LED, in the time that the testing result of described adhesive testing circuit 132 is abnormal, shown by the 2nd LED, when the testing result of described resistance detecting circuit 133 is shown by the 3rd LED, described the 4th LED and described the 5th LED are for showing the selection result of the second button J2.
The principle of work of the electric relay detection device that the utility model provides is as follows: for given relay to be detected, the first-selected type that judges described relay to be detected, as four pin or five pin.
In the time that described relay to be detected is four pin, adopt the second button J2 to select described control module 11 to be operated in four pin states, and the 4th LED lamp is bright, wherein, the first end 85 of the coil of described relay to be detected and the second end 86 are connected to the relevant position of described adhesive testing circuit, described relay contact to be detected, the 3rd end 30 connects the 6th end b of described single-chip microcomputer U2, the 4th end 87 connects the five terminal e of described single-chip microcomputer U2, click the first button J1 and start test, when the 3rd end f output high level of single-chip microcomputer U2, the Q1 conducting in described adhesive testing circuit 131, there is voltage difference in the coil two ends of relay to be detected, can produce electric field, the 3rd end 30 of described relay is connected by the effect meeting of electric field and the 4th end 87 of described relay, now send a signal at the 6th end b end of single-chip microcomputer U2, if five terminal e end can receive described signal, illustrate that contact is normal, otherwise, contact is abnormal, adopt resistance detecting circuit 133 to detect the resistance between described relay the 3rd end 30 and the 4th end 87 simultaneously, if resistance is less than preset value, illustrate that contact is not oxidized, if be greater than preset value, illustrate that contact is oxidized, when the 3rd end f output low level of single-chip microcomputer U1, the cut-off of the Q1 in described adhesive testing circuit 131, there is not voltage difference in the coil two ends of relay to be detected, described relay the 3rd end 30 can disconnect and being connected of the 4th end 87, now at a signal of the 6th end b end transmission of single-chip microcomputer U2, if five terminal e termination can not receive described signal, illustrate that contact is normal, otherwise contact is abnormal, detect the resistance between contact simultaneously.Described testing result can show by LED lamp in addition, and for example, testing result is normal, and a LED lamp is bright, and testing result is abnormal, and the 2nd LED lamp is bright, and resistance value is normal, and the 3rd LED lamp goes out, and resistance value is abnormal, and the 3rd LED lamp is bright.
In the time that described relay to be detected is five pin, adopt the second button J2 to select described control module 11 to be operated in five pin states, and the 5th LED lamp is bright, five pin relays have increased normally closed contact compared with four pin relays, five terminal 87a, testing process is identical with the testing process of four pin relays, different, also needs to detect attracting state and the resistance between described relay the 3rd end 30 and five terminal 87a.
A kind of electric relay detection device that the utility model embodiment provides, when detecting relay contact on off operating mode to be detected by employing adhesive testing circuit, adopt resistance detecting circuit to detect the resistance between contact, when having realized the break-make situation of relay and contact oxidation degree, detect, the utility model, without regulation voltage or current parameters are set, has reduced the complexity of relay test in addition.
On the basis of the utility model embodiment, described device can also comprise flasher testing circuit, described flasher testing circuit, as shown in Figure 7, can comprise the 12 resistor R14 and the 6th LED (representing with LED6 in the drawings), one end of described the 12 resistor R14 connects the first end L of flasher, and the other end connects the second end E of flasher by described the 6th LED.Described flasher testing circuit is applicable to the detection of tripod relay, testing process is as follows: one end of flasher to be detected connects external power source, described external power source is identical with the external power source using in described adhesive testing circuit 131, the first end L of flasher testing circuit described in the L termination of described flasher, the second end E of flasher testing circuit described in the E termination of described flasher, if described flasher is working properly, described the 6th LED lamp one dodges one and goes out and alternately change, if described flasher operation irregularity, described the 6th LED keeps normal bright or keeps often going out.
The embodiment that the utility model provides can be used for testing the resistance between attracting state and the contact of tripod, four pin and five pin relays, simple to operate, effectively helps auto repair personnel to find or gets rid of relay fault.
Obviously, those skilled in the art should be understood that, above-mentioned of the present utility model each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can realize with the executable program code of computer installation, thereby they can be stored in memory storage and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the utility model is not restricted to the combination of any specific hardware and software.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, the utility model can have various changes and variation.All any modifications of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model within spirit of the present utility model and principle.
Claims (9)
1. an electric relay detection device, it is characterized in that, comprise: power supply, control module and detection module, described detection module comprises adhesive testing circuit, resistance detecting circuit and display circuit, and described power supply, adhesive testing circuit, resistance detecting circuit and display circuit are all connected with described control module.
2. device according to claim 1, it is characterized in that, described control module comprises single-chip microcomputer, the first button and the second button, described single-chip microcomputer adopts the single-chip microcomputer of STC12 series, the built-in analog to digital converter of described single-chip microcomputer, described the first button connects the first end (1) of described single-chip microcomputer, and described the second button connects second end (2) of described single-chip microcomputer.
3. device according to claim 2, it is characterized in that, described adhesive testing circuit comprises: the first resistor, the second resistor, the 3rd resistor, the 4th resistor, the 5th resistor, capacitor, diode and triode, one end of described the first resistor connects the 3rd end (f) of described single-chip microcomputer, the base stage of other end connecting triode, the base stage of described electric capacity and the second equal connecting triode in resistor one end, the other end all connects ground, the grounded emitter of described triode, collector connects the anode of described diode by the 3rd resistor, the negative electrode of described diode connects external power source, the two ends of described diode also connect first end (85) and second end (86) of relay coil to be detected, described the 4th resistor one end ground connection, the other end connects the 4th end (d) of described single-chip microcomputer, described the 5th resistor one end ground connection, the other end connects the five terminal (e) of described single-chip microcomputer.
4. device according to claim 3, is characterized in that, described triode is NPN type triode.
5. device according to claim 3, is characterized in that, described external power source is 12V or 24V.
6. device according to claim 2, it is characterized in that, described resistance detecting circuit comprises the 6th resistor, the 7th resistor, the 8th resistor, one end of described the 6th resistor connects the 13 end (a) of described single-chip microcomputer, the other end connects the 6th end (b) of described single-chip microcomputer, one end of described the 7th resistor connects the 13 end (a), the other end connects the 7th end (c) of described single-chip microcomputer, described the 8th resistor one end connects the 7th end (c), other end ground connection.
7. device according to claim 2, is characterized in that, described power acquisition TPS5430 chip, for generation of+5V voltage, be described control module power supply, the output terminal of described power supply connects the 13 end (a) of described single-chip microcomputer.
8. device according to claim 2, it is characterized in that, described display circuit comprises: the 9th resistor, the tenth resistor, the 11 resistor, the one LED, the 2nd LED, the 3rd LED, the 4th LED and the 5th LED, a described LED, one end of the 2nd LED and the 3rd LED is all connected the 13 end (a) by the 9th resistor, the other end connects respectively the 8th end (g) of described single-chip microcomputer, the 9th end (h) and the tenth end (i), described the 4th LED one end connects the 13 end (a) by the tenth resistor, the other end connects the tenth one end (g), described the 5th LED one end connects the 13 end (a) by the 11 resistor, the other end connects the 12 end (k).
9. device according to claim 1, it is characterized in that, described device also comprises flasher testing circuit, described circuit comprises the 12 resistor and the 6th LED, one end of described the 12 resistor connects the first end (L) of flasher, and the other end connects second end (E) of described flasher by described the 6th LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805111.0U CN203643576U (en) | 2013-12-09 | 2013-12-09 | Relay detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805111.0U CN203643576U (en) | 2013-12-09 | 2013-12-09 | Relay detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643576U true CN203643576U (en) | 2014-06-11 |
Family
ID=50874811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805111.0U Expired - Fee Related CN203643576U (en) | 2013-12-09 | 2013-12-09 | Relay detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643576U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360265A (en) * | 2014-11-06 | 2015-02-18 | 贵州天义电器有限责任公司 | Multi-switching relay tester |
| CN105021979A (en) * | 2015-06-08 | 2015-11-04 | 江苏林洋电子股份有限公司 | A built-in relay state detection circuit |
| CN105403829A (en) * | 2015-11-30 | 2016-03-16 | 中航飞机股份有限公司西安飞机分公司 | Detection method of airborne relay |
| CN107785209A (en) * | 2017-11-23 | 2018-03-09 | 四川大能科技有限公司 | Relay contact deoxidation module and method |
| CN108549023A (en) * | 2018-06-21 | 2018-09-18 | 厦门大学 | A kind of relay secondary pick-up voltage detection device and method based on peak-seeking algorithm |
| CN113466562A (en) * | 2021-07-26 | 2021-10-01 | 天津市易控科技发展有限公司 | Relay resistance value pre-testing system |
-
2013
- 2013-12-09 CN CN201320805111.0U patent/CN203643576U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360265A (en) * | 2014-11-06 | 2015-02-18 | 贵州天义电器有限责任公司 | Multi-switching relay tester |
| CN104360265B (en) * | 2014-11-06 | 2017-02-22 | 贵州天义电器有限责任公司 | Multi-switching relay tester |
| CN105021979A (en) * | 2015-06-08 | 2015-11-04 | 江苏林洋电子股份有限公司 | A built-in relay state detection circuit |
| CN105403829A (en) * | 2015-11-30 | 2016-03-16 | 中航飞机股份有限公司西安飞机分公司 | Detection method of airborne relay |
| CN107785209A (en) * | 2017-11-23 | 2018-03-09 | 四川大能科技有限公司 | Relay contact deoxidation module and method |
| CN107785209B (en) * | 2017-11-23 | 2018-06-26 | 四川大能科技有限公司 | Relay contact deoxidation module and method |
| CN108549023A (en) * | 2018-06-21 | 2018-09-18 | 厦门大学 | A kind of relay secondary pick-up voltage detection device and method based on peak-seeking algorithm |
| CN108549023B (en) * | 2018-06-21 | 2020-01-31 | 厦门大学 | relay secondary pull-in voltage detection device and method based on peak searching algorithm |
| CN113466562A (en) * | 2021-07-26 | 2021-10-01 | 天津市易控科技发展有限公司 | Relay resistance value pre-testing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203643576U (en) | Relay detecting device | |
| CN202205977U (en) | Two-circuit household appliance automatic socket for battery power supply and sensor dual-authentication management | |
| CN103683263A (en) | Circuit for preventing reverse plug in of direct current power supply and lamp | |
| CN101980405B (en) | Multi-purpose time delay power supply socket manufactured by using time base circuit | |
| CN202435015U (en) | Power supply system | |
| CN202334319U (en) | Power supply convertor with AC/DC (Alternating Current/Direct Current) selective output | |
| CN103683264A (en) | Circuit for preventing reverse plug in of direct current power supply and lamp | |
| CN202975698U (en) | Relay module | |
| CN202142001U (en) | Computer power with overpower prompting function | |
| CN211557600U (en) | Double-control switch and double-control system | |
| CN201845967U (en) | Multipurpose time-delay power socket manufactured by time-base circuit | |
| CN201113813Y (en) | Power supply converter | |
| CN203689031U (en) | Multipurpose alternating current combination control switch | |
| CN203909271U (en) | Voltage drop tool | |
| CN202586752U (en) | Low-voltage protection linear power supply circuit and television set | |
| CN103091634A (en) | Battery level indicating circuit and indicating device and lamp | |
| CN202798651U (en) | Binary input circuit | |
| CN102438372B (en) | Intelligent lamp circuit and control method thereof | |
| CN202231246U (en) | Sensor managed two-path household electrical appliance automation socket | |
| CN204719212U (en) | Battery electric quantity detects indicating circuit | |
| CN201118538Y (en) | Dual indicator indication solid relay | |
| CN202259969U (en) | Automatic household electronic and electric appliance socket managed by sensor double-detection | |
| CN204789937U (en) | Detection apparatus for ternary switch | |
| CN202205978U (en) | Automatic socket adopting modular power supply and sensor management for two domestic appliances | |
| CN104101782A (en) | Resistance testing circuit and testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING TIANYUAN-TECH CO., LTD. Free format text: FORMER NAME: BEIJING TIANYUAN-TECH LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100070 Beijing Fengtai District Branch Road No. 9 Room 303 Patentee after: Tianyuan Beijing Sheng Industry Polytron Technologies Inc Address before: 100070 Beijing Fengtai District Branch Road No. 9 Room 303 Patentee before: BEIJING TIANYUAN-TECH CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20161209 |