CN209707658U - Pressure switch calibration equipment - Google Patents
Pressure switch calibration equipment Download PDFInfo
- Publication number
- CN209707658U CN209707658U CN201920393969.8U CN201920393969U CN209707658U CN 209707658 U CN209707658 U CN 209707658U CN 201920393969 U CN201920393969 U CN 201920393969U CN 209707658 U CN209707658 U CN 209707658U
- Authority
- CN
- China
- Prior art keywords
- pressure switch
- shell
- calibration equipment
- display screen
- hole
- 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
Abstract
Pressure switch calibration equipment disclosed by the utility model, comprising: shell, shell are made of front shroud, back shroud, left plate, right side plate, bottom plate and upper cover plate；Display screen mounting hole, wiring hole and indicator lamp hole are set on upper cover plate；Intermediate support plate is fixedly installed in interior of shell, interior of shell is divided into upper cavity and lower chamber by intermediate support plate, intermediate support plate is fixedly arranged at the upper side sensor stand；Relief valve, pressure sensor, control circuit board, display screen are set inside upper cavity；Control circuit board is fixed on intermediate support plate and connect with display screen, and pressure sensor is arranged on sensor stand；Display screen insertion is arranged in display screen mounting hole and is electrically connected with control circuit board；Indicator light is set in control circuit board；Setting solid-state relay, Switching Power Supply, air pump, flow control valve and solenoid valve inside lower chamber.The utility model improves the reliability of production process, improves production efficiency by detecting to pressure switch before using.
Description
Technical field
The utility model relates to power grid detection technique fields, and in particular to pressure switch calibration equipment.
Background technique
Pressure switch is the device combined with electric switch, and the working principle of pressure switch is: when being more than by measuring pressure
When rated value, the free end of elastic element generates displacement, and switch element is pushed directly or through after, changes switch element
On off operating mode achievees the purpose that control by measuring pressure, i.e., by the measurement to gas pressure, pressure signal is converted into switch letter
Number carry out the on-off of control circuit.Pressure switch is using high-precision, the pressure sensor and transmission circuit of high stability energy, then passes through special
With CPU module signal processing technology, realize to the detection of pressure medium signal, display, alarm and control signal output.Mainly
The measurement of the gauge pressure, absolute pressure of various gases, liquid is controlled applied in the fields such as petroleum, chemical industry, metallurgy, electric power, water supply, it is defeated
Signal is alarmed or controlled out, has important purposes in industrial circle, the damage of important device in production engineering can be prevented, kept away
Occur with having exempted from great production accident.
In the use process of pressure switch, breaker failure type mainly has air compression system failure, SF6 gas
Body leakage, actuator coil scaling loss, mechanism bearing wear rust is dead, switchs the defects of wire clamp fever, secondary circuit failure, wherein big portion
Point failure is air compression system failure, wherein again with pneumatic mechanism frequent bulge and to based on backstage misdelivery alarm signal, this
A little failures cause equipment to be unable to operate normally, and seriously affect equipment safety reliability service, cause great threat to power grid security.It makes
It is exactly that pressure switch precision is inadequate at the main reason for these failures, the product quality if inaccurate quality test equipment
There is no guarantee that then production efficiency is not difficult to improve the Automated inspection equipment of high quality.Therefore it needs periodically to these pressure
The verification of switch will be helpful to improve the sensitivity of pressure switch movement, make equipment action message；Simultaneously to the pressure newly purchased
Switch is verified, and can be effectively reduced since pressure switch causes the probability of equipment fault.Currently, each pressure switch production
The method that factory generallys use precision pressure meter reading to the detection of pressure switch, the producer also having is used in pressurizes to pressure switch
Detected with listening during decompression and the method that reads, also indicator light is also mounted in addition to listening other than, grasp
Data will timely and accurately be read while watching indicator light and listening to the sound by making personnel.
Following problems existing for above-mentioned detection method at that time:
1. for a long time, high-frequency being used quickly since precision pressure gauge is usually to use in laboratory in production scene
Its indicating value will be made overproof, so this test method is not suitable for using under conditions of mass production；
2. the groove of precision pressure gauge is very close, it is easy to the phenomenon that misreading, judging by accident, and worker operation fatigue and people occur
Subjective reason of member etc. can become the factor for generating reading difference；
3. the testing time is too long, labor productivity is low.
Therefore these detection methods have not adapted to the requirement of high-volume high-quality in modern industrial production, cannot especially fit
Answer the requirement in electric power and industry to product high reliability and ppm value.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, disclose pressure to open
Calibration equipment is closed, periodically pressure switch can be purchased to running equipment pressure switch and newly and verifies, to ensure that pressure is opened
The action message of pass.
The technical solution adopted in the utility model is: pressure switch calibration equipment, comprising: shell, the shell is by front cover
Plate, back shroud, left plate, right side plate, bottom plate and upper cover plate are constituted；
Display screen mounting hole, wiring hole and indicator lamp hole are set on the upper cover plate；In the interior of shell fixed setting
Between support plate, interior of shell is divided by upper cavity and lower chamber by intermediate support plate, wherein the upside of intermediate support plate is fixed
Sensor stand is set；
Relief valve, pressure sensor, control circuit board, display screen are set inside the upper cavity；The control circuit board
It is fixed on intermediate support plate and is electrically connected with display screen, the pressure sensor is arranged on sensor stand；The display
Screen insertion is arranged in display screen mounting hole and connect with control circuit board；Indicator light is set in the control circuit board, it is described
Indicator light insertion is mounted in indicator lamp hole；
Setting solid-state relay, Switching Power Supply, air pump, flow control valve and solenoid valve inside the lower chamber；The gas
Pump is fixed on bottom plate, and the solenoid valve is fixed by binding post and bottom plate, and the flow control valve is connect simultaneously with air pump
It is fixed on bottom plate, the solid-state relay is fixedly connected by bracket with bottom plate, and the Switching Power Supply fixed setting is left
On side plate.
Further technical solution as the utility model is, the wiring hole include power interface hole, power switch hole,
Signaling interface hole, test interface hole and button hole is arranged fastly, power interface, power switch, signaling interface, test interface are installed respectively
With fast row's button；The input terminal of the Switching Power Supply is connect with power interface, and the output end of the Switching Power Supply is opened by power supply
Pass is connect with control circuit board.
Further technical solution as the utility model is that the control circuit board includes master controller, first resistor
Detect table, second resistance detect table, the test lead of the first resistor detection table be separately connected the normally-closed contact of pressure switch, often
Open contact and common；The second resistance detection table is connect with shell, normally-closed contact and normally opened contact；The air pump passes through
Solenoid valve is connect with pressure switch, and pressure sensor, the output end connection of the pressure sensor are arranged in the pressure switch
Tester；The first resistor detection table and second resistance detection table are connect with tester.
Further technical solution as the utility model is that the master controller uses MCU processor.
Further technical solution as the utility model is that the first resistor detection table uses milliohmmeter, the second electricity
Resistance detection table uses megameter.
Further technical solution as the utility model is that support leg is arranged in the bottom of the bottom plate.
Further technical solution as the utility model is that handle is arranged in the two sides of the upper surface of the shell.
Further technical solution as the utility model is that heat release hole is respectively set on the front shroud and back shroud.
Further technical solution as the utility model is that the shell is made of ABS material.
Further technical solution as the utility model is that the display screen is using very color liquid crystal touch screen.
The utility model has the following beneficial effects:
The utility model plays a protective role to calibration equipment by shell, and display screen is arranged on upper cover plate can be to verification
Test information is checked, is prompted by indicator light；
It is connect by power interface with external power supply power supply, is converted to externally input AC signal by Switching Power Supply
Direct current signal supplies the operating voltage of calibration equipment, carries out master control to power supply by setting power switch；
Interior of shell uses upper and lower structures, and solenoid valve, solid-state relay and air pump and control circuit board are separated, can
To prevent solenoid valve, solid-state relay and air pump from generating interference to control circuit board；
Apply pressure to pressure switch by air pump, the pressure of control circuit board detection pressure switch simultaneously detects pressure switch
Switch state, thus to pressure switch carry out quality inspection, test to precision, the speed of pressure switch so that factory or make
Pressure switch meets the test request of high-precision, high speed.While the phenomenon that preventing pressure switch from judging by accident or malfunctioning hair
It is raw；
By being detected to pressure switch before using, undesirable pressure switch can be screened out, is being produced and used
In the process, it can reduce since pressure switch inaccurately waits the probability of extraction equipment fault, improve the reliability of production process, mention
High efficiency.
Detailed description of the invention
Fig. 1 be the utility model proposes the main sectional structure chart of pressure switch calibration equipment；
Fig. 2 be the utility model proposes pressure switch calibration equipment top view；
Fig. 3 be the utility model proposes pressure switch calibration equipment perspective view；
Fig. 4 be the utility model proposes pressure switch calibration equipment main view；
Fig. 5 be the utility model proposes pressure switch calibration equipment rearview；
Fig. 6 be the utility model proposes pressure switch calibration equipment left view；
Fig. 7 be the utility model proposes pressure switch calibration equipment right view；
Fig. 8 be the utility model proposes pressure switch calibration equipment circuit diagram；
Fig. 9 be the utility model proposes pressure switch calibration equipment System control structures figure.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
Referring to Fig. 1 to Fig. 7, wherein Fig. 1 be the utility model proposes the main sectional structure chart of pressure switch calibration equipment；Figure
2 for the utility model proposes pressure switch calibration equipment top view；Fig. 3 be the utility model proposes pressure switch verify dress
Set perspective view；Fig. 4 be the utility model proposes pressure switch calibration equipment main view；Fig. 5 be the utility model proposes pressure
Power switchs calibration equipment rearview；Fig. 6 be the utility model proposes pressure switch calibration equipment left view；Fig. 7 is that this is practical
The pressure switch calibration equipment right view of novel proposition；
As shown in Figures 1 to 7, pressure switch calibration equipment, comprising: shell 1, the shell 1 is by front shroud 101, rear cover
Plate 102, left plate 103, right side plate 104, bottom plate 105 and upper cover plate 106 are constituted；
Display screen mounting hole 161, wiring hole 162 and indicator lamp hole 163 are set on the upper cover plate 106；In the shell 1
Intermediate support plate 2 is fixedly installed in portion, will be divided into upper cavity and lower chamber inside shell 1 by intermediate support plate 2, wherein intermediate branch
Fagging 2 is fixedly arranged at the upper side sensor stand 3；
Relief valve 4, pressure sensor 5, control circuit board 6, display screen 7 are set inside the upper cavity；The control electricity
Road plate 6 is fixed on intermediate support plate 2 and is electrically connected with display screen 7, and the pressure sensor 5 is arranged on sensor stand 3；
The insertion of display screen 7 is arranged in display screen mounting hole 161 and connect with control circuit board 6；It is set in the control circuit board 6
Indicator light is set, the indicator light insertion is mounted in indicator lamp hole 163；
Setting solid-state relay 8, Switching Power Supply 9, air pump 10, flow control valve 11 and solenoid valve inside the lower chamber
12；The air pump 10 is fixed on bottom plate 105, and the solenoid valve 12 is fixed by binding post with bottom plate 105, the flow
Regulating valve 11 connect with air pump 10 and is fixed on bottom plate 105, and the solid-state relay 8 is solid by bracket and bottom plate 105
Fixed connection, the Switching Power Supply 9 are fixedly installed on left plate 103.
Further, the wiring hole 162 includes power interface hole, power switch hole, signaling interface hole, test interface hole
With fast row's button hole, power interface 15, power switch 13, signaling interface 16, test interface 17 and fast row's button 14 are installed respectively；
The input terminal of the Switching Power Supply 9 is connect with power interface 15, and the output end of the Switching Power Supply 9 passes through power switch 13 and control
Circuit board 6 processed connects.
In the utility model embodiment, is played a protective role by shell to calibration equipment, display screen is set on upper cover plate
Check test information can be checked, be prompted by indicator light；It is connect, is passed through with external power supply power supply by power interface
Externally input AC signal is converted to the operating voltage of direct current signal supply calibration equipment by Switching Power Supply, by the way that power supply is arranged
Switch carries out master control to power supply, and interior of shell uses upper and lower structures, by solenoid valve, solid-state relay and air pump and control electricity
Road plate separates, and can prevent solenoid valve, solid-state relay and air pump from generating interference to control circuit board；
Apply pressure to pressure switch by air pump, the pressure of control circuit board detection pressure switch simultaneously detects pressure switch
Switch state, thus to pressure switch carry out quality inspection, test to precision, the speed of pressure switch so that factory or make
Pressure switch meets the test request of high-precision, high speed.While the phenomenon that preventing pressure switch from judging by accident or malfunctioning hair
It is raw.
In the utility model embodiment, the pressure switch calibration equipment provided is mainly to new in production process or use process
The pressure switch purchased is detected, and by detecting to pressure switch before using, can screen out undesirable pressure
Switch can reduce since pressure switch inaccurately waits the probability of extraction equipment fault during production and application, improve production
The reliability of process improves production efficiency.
Referring to Fig. 8 and Fig. 9, wherein Fig. 8 be the utility model proposes pressure switch calibration equipment circuit diagram；Fig. 9
For the utility model proposes pressure switch calibration equipment System control structures figure.
In the use of the new type embodiment, control circuit board includes master controller, first resistor detection table, second resistance detection
The test lead of table, the first resistor detection table is separately connected the normally-closed contact, normally opened contact and common of pressure switch；Institute
Second resistance detection table is stated to connect with shell, normally-closed contact and normally opened contact；The air pump is connected by solenoid valve and pressure switch
It connects, pressure sensor is set in the pressure switch, the output end of the pressure sensor connects tester；The first resistor
Detection table and second resistance detection table are connect with tester.
Specifically, the normally-closed contact (NC) of pressure switch, normally opened contact (NO), common point (C) and shell are all connected to letter
Number conditioning circuit.The relay that signal conditioning circuit is mainly switched by completing contact resistance and insulation resistance signal in measuring principle
Composition.Master controller controls signal conditioning circuit by number I/0 board output digit signals.Control signal condition electricity
The relay on road switches, and the signal wire switched is connected to milliohmmeter and megameter by signal conditioning circuit.Milliohmmeter with megaohm
Table completes data exchange by RS232 serial ports and master controller.When detecting pressure switch insulation resistance or contact resistance in this way,
Master controller is completed to switch over test signal first, in accordance with relay status in test philosophy setting signal conditioning circuit.It is logical
RS232 serial ports starting megameter or milliohmmeter are crossed, data are passed into master controller after detection, are driven by master controller
Display screen will test as the result is shown.
In the utility model embodiment, support leg is arranged in the bottom of bottom plate, in use, can play waterproof work
With, while bottom plate wear is prevented, in the two sides of the upper surface of shell, handle, convenient movement and carrying to calibration equipment are set.
In the utility model embodiment, master controller uses MCU processor, and first resistor detects table and uses milliohmmeter, the
Two resistance detection tables use megameter.It is handled by signal of the MCU processor to acquisition, it is convenient and efficient, according to detection
The size selection test ohmmeter of resistance value.Display screen is using very color liquid crystal touch screen, convenient for checking.
In the utility model embodiment, shell is made of ABS material, and firm in structure, antidetonation anti-pressure ability is strong, can be right
The component of enclosure interior is protected.
It, can be in shell by the way that heat release hole is respectively set on front shroud and back shroud in the utility model embodiment
It radiates in portion.Guarantee that the component of interior of shell being capable of stable operation.
Pressure switch can be divided into low pressure class and high pressure class by its operating point and recovery point pressure value.Low pressure class pressure switch
Operating point and recovery point pressure value in 50Psi or less；The operating point and recovery point pressure value of high pressure class pressure switch are in 50Psi
Between~300Psi.
Pressure switch verifying work belongs to dynamic and measures, and the objective of design is with intelligent industrial formula computer screen come intuitive
A master controller of operation, and then achieve the purpose that improve labor efficiency and improve detection quality
When gas source is with air pressure capable of being increased to pressure switch, master controller is obtained by solenoid valve control air pressure by pressure sensor
The current pressure values of gas circuit；Pressure switch common (C) connects DC power supply, and normally opened contact (NO) is connected to master controller
It is breaking between normally opened contact (NO) and common (C) if pressure switch does not act on digital input port.Master controller
Digital input port receive low level digital signal；Once pressure switch acts, normally opened contact (NO) and common
(C) short-circuit, normally opened contact (NO) is connected to power supply.At this moment master controller digital input port receives high level digital signal.
In this way, the current state of the available pressure switch of master controller.When detection operation presses force value, need to control electricity
Magnet valve makes gas source pressurize to pressure switch, so that air pressure slowly rises.Master controller is monitored by digital input port simultaneously
Pressure switch state.Once showing that pressure switch is moved at this moment it was found that the digital signal of digital input port is got higher by low
Make.The moment pressure sensor numerical value is recorded, the operating point pressure value of pressure switch is obtained.Similarly, recovery point pressure value is detected,
It needs that relief valve is arranged, so that air pressure slowly declines.Judge pressure switch state, makees once resetting record pressure sensor numerical value
For recovery point pressure value.
Master controller uses ARM single-chip microcontroller, high reliablity, using touch color liquid crystal, the easy to operate letter of user-centered interface
Single that 7 cun of very color touch screens can be specifically selected according to shell sizes, the operation entirely tested is completed on the touchscreen.Touch screen
Here is switch button (POWER), fast row's (EXHAUST) button and charging indicator light, in the charging of CHARGE indicating instrument, FULL
Indicate charging complete.
The optional power supply of DC24V and DC110V can be provided by Switching Power Supply, selects to can guarantee that contact is having when DC110V
Signal reliably acquires in the case where oil film.
The basic principles and main features and the utility model advantage of the utility model have been shown and described above.Current row
The technical staff of industry it should be appreciated that the present utility model is not limited to the above embodiments, do not depart from the spirit of the present invention and
Under the premise of range, the utility model also has various changes and improvements, these changes and improvements both fall within claimed
Within the scope of utility model.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (10)
1. pressure switch calibration equipment characterized by comprising shell, the shell is by front shroud, back shroud, left plate, the right side
Side plate, bottom plate and upper cover plate are constituted；
Display screen mounting hole, wiring hole and indicator lamp hole are set on the upper cover plate；The intermediate branch of interior of shell fixed setting
Interior of shell is divided into upper cavity and lower chamber by intermediate support plate by fagging, and wherein intermediate support plate is fixedly arranged at the upper side
Sensor stand；
Relief valve, pressure sensor, control circuit board, display screen are set inside the upper cavity；The control circuit board is fixed
It is connect on intermediate support plate and with display screen, the pressure sensor is arranged on sensor stand；The display screen insertion
It is arranged in display screen mounting hole and is connect with control circuit board；Indicator light, the indicator light are set in the control circuit board
Insertion is mounted in indicator lamp hole；
Setting solid-state relay, Switching Power Supply, air pump, flow control valve and solenoid valve inside the lower chamber；The air pump is solid
It is scheduled on bottom plate, the solenoid valve is fixed by binding post and bottom plate, and the flow control valve connect and fixes with air pump
It is arranged on bottom plate, the solid-state relay is fixedly connected by bracket with bottom plate, and left plate is fixedly installed in the Switching Power Supply
On.
2. pressure switch calibration equipment according to claim 1, which is characterized in that the wiring hole includes power interface
Hole, power switch hole, signaling interface hole, test interface hole and button hole is arranged fastly, power interface, power switch, letter are installed respectively
Number interface, test interface and button is arranged fastly；The input terminal of the Switching Power Supply is connect with power interface, the Switching Power Supply it is defeated
Outlet is connect by power switch with control circuit board.
3. pressure switch calibration equipment according to claim 1, which is characterized in that the control circuit board includes main control
Device, first resistor detection table, second resistance detect table, and the test lead of the first resistor detection table is separately connected pressure switch
Normally-closed contact, normally opened contact and common；The second resistance detection table is connect with shell, normally-closed contact and normally opened contact；
The air pump is connect by solenoid valve with pressure switch, and pressure sensor, the pressure sensor are arranged in the pressure switch
Output end connect tester；The first resistor detection table and second resistance detection table are connect with tester.
4. pressure switch calibration equipment according to claim 3, which is characterized in that the master controller is handled using MCU
Device.
5. pressure switch calibration equipment according to claim 3, which is characterized in that the first resistor detection table is using milli
Europe table, second resistance detect table and use megameter.
6. pressure switch calibration equipment according to claim 1, which is characterized in that support is arranged in the bottom of the bottom plate
Foot.
7. pressure switch calibration equipment according to claim 1, which is characterized in that the two sides of the upper surface of the shell are set
Set handle.
8. pressure switch calibration equipment according to claim 1, which is characterized in that on the front shroud and back shroud respectively
Heat release hole is set.
9. pressure switch calibration equipment according to claim 1, which is characterized in that the shell is made of ABS material.
10. pressure switch calibration equipment according to claim 1, which is characterized in that the display screen is using very color liquid crystal
Touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920393969.8U CN209707658U (en) | 2019-03-26 | 2019-03-26 | Pressure switch calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920393969.8U CN209707658U (en) | 2019-03-26 | 2019-03-26 | Pressure switch calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209707658U true CN209707658U (en) | 2019-11-29 |
Family
ID=68647796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920393969.8U Expired - Fee Related CN209707658U (en) | 2019-03-26 | 2019-03-26 | Pressure switch calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209707658U (en) |
-
2019
- 2019-03-26 CN CN201920393969.8U patent/CN209707658U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102981120A (en) | Full-performance detecting system of magnetic latching relay and detecting method thereof | |
| CN208985418U (en) | Dress table connects electric Simulated training device | |
| CN201562007U (en) | Intelligent non-contact type high-voltage electroscope | |
| CN203012095U (en) | Overall performance detecting system for magnetic latching relay | |
| CN209707658U (en) | Pressure switch calibration equipment | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN208255339U (en) | A kind of automobile ABS wiring harness detection table | |
| CN111505456A (en) | Electric component testing and monitoring device | |
| CN207965077U (en) | The test device of the external breaker of electric energy meter | |
| CN203337754U (en) | Resonance eliminator detection apparatus | |
| CN208795801U (en) | A kind of automatic no-load voltage ratio tester | |
| CN208606974U (en) | Verify the device of more gas relay leakproofness | |
| CN209069616U (en) | For detecting the combined test stand of air conditioner end equipment starting and operation | |
| CN106066464A (en) | A kind of check standard device for electric energy meter Withstand test device | |
| CN202404193U (en) | Tester for leakage protection plug of electric brake | |
| CN206557270U (en) | A kind of primary current supervising device | |
| CN111442802A (en) | Transformer state monitoring device | |
| CN109946621B (en) | Full detection circuit, equipment and method for battery voltage after thermal compression formation of lithium ion battery | |
| CN215375698U (en) | Single-station comprehensive testing device with compensation motor stator | |
| CN204424870U (en) | A kind of three-phase four-wire power entangles phase protection device automatically | |
| CN215071330U (en) | High tension switchgear integrated environment monitored control system | |
| CN215340126U (en) | Maintenance device for rail transit point machine equipment | |
| CN203405420U (en) | Automatic detection device for quality certificates of electricity meters | |
| CN220872617U (en) | 0-220V AC/DC relay calibration device | |
| CN220271503U (en) | High-voltage switch equipment energy storage time and disconnecting link action time measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 Termination date: 20210326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |