CN206523361U - A kind of vehicle tracking test instrument - Google Patents
A kind of vehicle tracking test instrument Download PDFInfo
- Publication number
- CN206523361U CN206523361U CN201720075849.4U CN201720075849U CN206523361U CN 206523361 U CN206523361 U CN 206523361U CN 201720075849 U CN201720075849 U CN 201720075849U CN 206523361 U CN206523361 U CN 206523361U
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- infrared
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- test instrument
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Abstract
The utility model discloses a kind of vehicle tracking test instrument, vehicle tracking test instrument is solved when opening constant temperature chamber door, when the test specimen of preheating is loaded on instruction carriage, the problem of temperature in insulating box can cause substantial amounts of loss, its drip irrigation device is：The air curtain for being provided with and being provided with infrared receiving device, thermostatic box for the temperature in thermostatic box to be isolated with extraneous temperature on infrared launcher, the second door-plate, in addition to infrared control device, starter are provided with first door-plate；When any one fan in the first door-plate and the second door-plate is opened, infrared receiving device cannot receive infrared emission signal, air curtain starts, a kind of vehicle tracking test instrument of the present utility model, when the first door-plate on insulating box and the second door-plate are opened, air curtain will be started, the temperature in insulating box is isolated with extraneous temperature, the interaction of heat is reduced, the loss of heat is reduced.
Description
Technical field
The utility model is related to a kind of bituminous paving test apparatus, more particularly to a kind of vehicle tracking test instrument.
Background technology
Vehicle tracking test instrument is a kind of instrument tested bituminous paving, and vehicle tracking test instrument is that Road Compaction is optimal
Analogue means.
In the prior art, such as Publication No. CN204789191U Chinese patent, a kind of vehicle tracking test instrument includes insulation
Casing, the instruction carriage being installed in thermal-insulating body, for drive the reciprocating drive device of instruction carriage, wheel suspension and turn
The dynamic wheel being arranged on wheel suspension, described wheel suspension includes the longitudinal bracing erect and be fixed in thermal-insulating body
Post, one end are hinged the suspension plate for being arranged at longitudinal bracing column top, also include wheel mount and wheel suspension elevating mechanism.
But, above-mentioned vehicle tracking test instrument is when opening constant temperature chamber door, when the test specimen of preheating is loaded on instruction carriage, the temperature in insulating box
Degree can cause substantial amounts of loss, also improved space.
Utility model content
The purpose of this utility model is to provide a kind of vehicle tracking test instrument, when the first door-plate and the second door-plate on insulating box are beaten
When opening, air curtain will be started, the temperature in insulating box is isolated with extraneous temperature, the interaction of heat is reduced, reduced
The loss of heat.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of vehicle tracking test instrument, including thermostatic box, the first door-plate and the second door-plate that are articulated on thermostatic box, it is described
It is provided with to be provided with the infrared launcher for launching infrared emission signal, second door-plate on first door-plate and is coupled to
Infrared launcher is to receive infrared emission signal and export the infrared receiving device of received IR signal, on the thermostatic box
The air curtain for the temperature in thermostatic box to be isolated with extraneous temperature is provided with, in addition to is coupled to infrared receiver
Device is to receive received IR signal and export the infrared control device of infrared control signal, be coupled to infrared control device to connect
The starter received infrared control signal and control air curtain to open and close；
When any one fan in first door-plate and the second door-plate is opened, the infrared receiving device cannot be received
To infrared emission signal, the air curtain starts.
Using such scheme, air curtain is provided with thermostatic box, air curtain function separates inside and outside air, played both
Take out, be put into conveniently, can prevent inside and outside air from exchanging again, meanwhile, the effect of there is dust-proof, anti-pollution, anti-mosquito again,
And be arranged on the first door-plate, the infrared launcher on the second door-plate, infrared receiving device and set in correspondence with each other, once have wherein
When Yishanmen plate is opened, air curtain will be started and be operated, the temperature in insulating box is isolated with extraneous temperature, subtracted
The interaction of few heat, reduces the loss of heat.
Preferably, the first support for fixing infrared launcher is threaded with first door-plate, it is described
The first end cap is articulated with first support, the side of first end cap, first support away from pivot joint passes through bolt, nut thread
It is fixed.
Using such scheme, by the setting of first support and the first end cap, infrared launcher is fixed, simultaneously
Infrared launcher is fixed by the cooperation of bolt and screw thread, and first support is threadedly coupled with the first door-plate, assembling
It is convenient.
Preferably, the second support for fixing infrared receiving device is threaded with second door-plate, it is described
The second end cap is articulated with second support, the side of second end cap, second support away from pivot joint passes through bolt, nut thread
It is fixed.
Using such scheme, by the setting of second support and the second end cap, infrared receiving device is fixed, simultaneously
Infrared launcher is fixed by the cooperation of bolt and screw thread, and second support is threadedly coupled with the second door-plate, assembling
It is convenient.
Preferably, being provided with the first rotating disk in the first support, the first jumping bean bullet is provided with first rotating disk
The first buckling groove for the first jumping bean spring clamping is provided with spring, first door-plate.
Using such scheme, the setting of the first jumping bean spring on the first rotating disk and the first buckling groove on the first door-plate,
First support is carried out clamping with the first door-plate when being rotated, so as to improve the crystallized ability to first support, make simultaneously
Infrared emission is positioned, practical.
Preferably, being provided with the second rotating disk in the second support, the second jumping bean bullet is provided with second rotating disk
The second buckling groove for the second jumping bean spring clamping is provided with spring, second door-plate.
Using such scheme, the setting of the second jumping bean spring on the second rotating disk and the second buckling groove on the second door-plate,
Second support is carried out clamping with the second door-plate when being rotated, so as to improve the crystallized ability to second support, make simultaneously
Infrared receiver is positioned, and coordinates infrared launcher to be used together, practical.
Preferably, heat-insulated silica gel piece is provided with the first support, second support, the first end cap, the second end cap,
Non-slip texture is provided with the heat-insulated silica gel piece.
Using such scheme, the setting of heat-insulated silica gel, make first support, second support, the first end cap, on the second end cap
Heat is not transferred to infrared launcher, on infrared receiving device, while the setting of non-slip texture, is improved to infrared emission
The crystallized ability of device, infrared receiving device.
Preferably, the infrared launcher includes being used for the oscillating circuit of outputting oscillation signal, is coupled to vibration electricity
Road is to receive oscillator signal and export infrared emission signal to the infrared transmitting circuit of infrared receiving device.
Using such scheme, the setting of oscillating circuit primarily serves the work that driving infrared transmitting circuit starts in circuit
With when oscillating circuit is powered, vibration will be produced, so as to carry out starting of oscillation, and the oscillator signal of certain frequency is exported, by red
Outer radiating circuit launches signal, makes the output frequency of infrared transmitting circuit consistent, improves the steady of infrared transmitting circuit
It is qualitative, it is practical.
Preferably, the infrared receiving device includes being coupled to infrared launcher receiving infrared emission signal and defeated
Go out the infrared switch circuit of infrared switch signal, be coupled to infrared switch circuit to receive infrared switch signal and export infrared connect
Collect mail number to infrared control device infrared control circuit.
Using such scheme, infrared switch circuit is in circuit as the circuit of an on-off action, when infrared switch electricity
Road is received after the infrared emission signal of infrared launcher output, will be turned on, so that infrared control device is triggered, and is controlled
The startup of infrared control device processed, improves the jamproof ability of circuit.
Preferably, the infrared control device includes being coupled to infrared receiving device receiving received IR signal and defeated
Go out the infrared controlled switch circuit of infrared controlled switch signal, be coupled to infrared controlled switch circuit to receive infrared controlled switch
Signal simultaneously exports infrared control signal to the infrared trigger circuit of magnetic valve controller.
Using such scheme, infrared controlled switch circuit is in circuit as the circuit of on-off action, when infrared control is opened
Powered-down road one will be turned on when receiving the signal of high level, and conducting speed is fast, while infrared trigger circuit is triggered, and it is fast
Speed control magnetic valve controller is operated, and reaction speed is fast.
Preferably, the infrared control device is also opened including being coupled to infrared controlled switch circuit with receiving infrared control
The photoelectric coupled circuit of OFF signal and output light coupling signal, the infrared trigger circuit is coupled to photoelectric coupled circuit to receive optocoupler signal simultaneously
Infrared control signal is exported to starter.
Using such scheme, the setting of photoelectric coupled circuit plays buffer action, due to photoelectric coupled circuit to input, output electric signal
Input, outlet chamber be mutually isolated, the features such as electric signal transmission has one-way, thus with good electrical isolation capabilities and anti-
Interference performance, and because the input of photoelectric coupled circuit belongs to the low-resistance element of current mode work, thus with very strong common mode suppression
Ability processed.
In summary, the utility model has the advantages that：
1st, when the first door-plate on thermostatic box, the second door-plate are opened, air curtain will start, and reduce the friendship of heat
Mutually it is lost in；
2nd, infrared launcher, infrared receiving device are removably set, using flexible.
Brief description of the drawings
Fig. 1 is the structural representation of thermostatic box；
Fig. 2 is the enlarged diagram in A portions in Fig. 1；
Fig. 3 is the enlarged diagram in B portions in Fig. 1；
Fig. 4 is the scheme of installation of the first door-plate and infrared launcher, the second door-plate and infrared receiving device；
Fig. 5 is the exploded perspective view of infrared launcher；
Fig. 6 is the exploded perspective view of infrared receiving device；
Fig. 7 is infrared launcher, the circuit connection diagram of infrared receiving device；
Fig. 8 is infrared control device, the circuit connection diagram of starter.
In figure：1st, thermostatic box；2nd, the first door-plate；3rd, the second door-plate；4th, infrared launcher；5th, infrared receiving device；
6th, air curtain；7th, infrared control device；8th, starter；9th, first support；10th, the first end cap；11st, bolt；12nd, nut；13、
Second support；14th, the second end cap；15th, the first rotating disk；16th, the first jumping bean spring；17th, the first buckling groove；18th, the second rotating disk；
19th, the second jumping bean spring；20th, the second buckling groove；21st, heat-insulated silica gel piece；22nd, non-slip texture；23rd, oscillating circuit；24th, infrared hair
Transmit-receive radio road；25th, infrared switch circuit；26th, infrared control circuit；27th, infrared controlled switch circuit；28th, infrared trigger circuit；
29th, photoelectric coupled circuit.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, a kind of vehicle tracking test instrument disclosed in the present embodiment, including thermostatic box 1, it is articulated in thermostatic box 1
On the first door-plate 2 and the second door-plate 3, be provided with air curtain 6 on thermostatic box 1, air curtain 6 blows out wind from top to bottom.
As Figure 1-3, it is provided with the first door-plate 2 on infrared launcher 4, the second door-plate 3 and is provided with infrared receiver
Device 5, and infrared launcher 4 and the mutually symmetrical with setting of infrared receiving device 5.
As shown in Fig. 2,4,5, infrared launcher 4 is pivotally connected by first support 9, the first end cap 10, and first
The side of the non-pivot joint of 9 and first end cap of frame 10 carries out screw thread cooperation by bolt 11, nut 12.First support 9, the first end cap 10
On be provided with heat-insulated silica gel piece 21, heat-insulated silica gel piece 21 is sticked by epoxy resin and first support 9, the first end cap 10
Close, and heat-insulated silica gel piece 21 is provided with non-slip texture 22, first support 9 away from first close to the side of infrared launcher 4
The side of end cap 10, which has been wholely set on the first rotating disk 15, the first rotating disk 15, is provided with the first jumping bean spring 16, and the first door-plate 2
On be provided with the first buckling groove 17 for the clamping of the first jumping bean spring 16.
As shown in Fig. 3,4,6, infrared receiving device 5 is pivotally connected by second support 13, the second end cap 14, and second
The side of the non-pivot joint of 13 and second end cap of frame 14 carries out screw thread cooperation by bolt 11, nut 12.Second support 13, the second end cap
Heat-insulated silica gel piece 21 is provided with 14, heat-insulated silica gel piece 21 is carried out by epoxy resin with second support 13, the second end cap 14
Bonding, and heat-insulated silica gel piece 21 is provided with non-slip texture 22, second support 13 away from the close to the side of infrared launcher 4
The side of two end caps 14, which has been wholely set on the second rotating disk 18, the second rotating disk 18, is provided with the second jumping bean spring 19, and second
The second buckling groove 20 for the clamping of the second jumping bean spring 19 is provided with plate 3.
As shown in fig. 7, infrared launcher 4 includes oscillating circuit 23, infrared transmitting circuit 24.Oscillating circuit 23 includes core
Piece U1, resistance R1, resistance R2, resistance R3, electric capacity C1, chip U1 can be NE555, UA555, SL555 time-base integrated circuit, this
Preferentially NE555 is used in embodiment.Infrared transmitting circuit 24 is infrared transmitting tube LED1.
As shown in fig. 7, the one end of chip U1 1 pin respectively with ground GND, electric capacity C1 is connected, electric capacity C1 other end difference
2 pin of one end, chip U1, chip U1 6 pin with resistance R1 are connected, 7 pin, the electricity of the resistance R1 other end respectively with chip U1
Hinder R2 one end connection, 4 pin, chip U1 8 pin, resistance R3 one end, the power supply of the resistance R2 other end respectively with chip U1
VCC connections, the resistance R3 other end is connected with infraluminescence pipe LED1 anode, infraluminescence pipe LED1 negative electrode and chip U1
3 pin connection.
As shown in fig. 7, when chip U1 obtains electric, the oscillator signal of certain frequency will be sent, the frequency of oscillator signal by
Resistance and Capacity control, and pass through infraluminescence pipe LED1 output signals.
As shown in fig. 7, infrared receiving device 5 includes infrared switch circuit 25, infrared control circuit 26.Infrared switch circuit
25 be infrared receiving tube LED2.Infrared control circuit 26 includes electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity
C7, resistance R4, resistance R5, resistance R6, resistance R7, inductance L, chip U2, chip U2 model UPC1373H.
As shown in fig. 7, one end, the inductance L one end of chip U2 3 pin respectively with electric capacity C6 are connected, the inductance L other end
One end respectively with electric capacity C6, resistance R4 one end, chip U2 8 pin, resistance R5 one end, power supply VCC, electric capacity C7 positive pole
Connection, positive pole, the infrared receiving tube LED2 negative electrode of the resistance R4 other end respectively with electric capacity C2 be connected, electric capacity C2 negative pole and
Ground GND connections, infrared receiving tube LED2 anode is connected with chip U2 7 pin, and chip U2 6 pin connect with resistance R7 one end
Connect, the resistance R7 other end is connected with electric capacity C3 one end, the electric capacity C3 other end respectively with ground GND, electric capacity C4 one end, core
Piece U2 5 pin, electric capacity C5 one end, resistance R6 one end connection, the electric capacity C4 other end are connected with chip U2 2 pin, electric capacity
1 pin, the resistance R5 other end of the C5 other end respectively with chip U2 are connected, the resistance R6 other end point and chip U2 4 pin,
Electric capacity C7 negative pole connection.
As shown in fig. 7, when the signal of hot outer luminous tube LED1 transmittings is received by infrared receiving tube LED2, chip U2's
1 pin exports low level signal.The signal of hot outer luminous tube LED1 transmittings is separated, and causes infrared receiving tube LED2 not connect
When receiving the signal of infraluminescence pipe LED1 transmittings, chip U2 1 pin exports the signal of high level.
As shown in figure 8, infrared control device 7 includes infrared controlled switch circuit 27, photoelectric coupled circuit 29, infrared trigger circuit
28.Infrared controlled switch circuit 27 is triode Q1, triode Q1 for NPN type triode and model 2SC4019, it is infrared to touch
Power Generation Road 28 is relay KM1, and photoelectric coupled circuit 29 is photo-coupler U3, and starter 8 includes triode Q2, resistance R5, three poles
Pipe Q2 is the triode and model 2SC4019 of NPN type.
As shown in figure 8, chip U2 1 pin is connected with triode Q1 base stage, triode Q1 emitter stage and ground GND connect
Connect, the anode of the light emitting diode in photo-coupler U1 is connected with power supply VCC, the negative electrode of the light emitting diode in photo-coupler U1
It is connected with triode Q1 colelctor electrode, the colelctor electrode of the phototriode in photo-coupler U1 is connected with relay KM1 one end,
The emitter stage of phototriode in photo-coupler U1 is connected with ground GND, the relay KM1 other end be connected with power supply VCC after
Electrical equipment normally opened contact KM1-1 one end is connected with power supply VCC, the relay normally open contact KM1-1 other end and the one of resistance R5
End connection, the resistance R5 other end is connected with triode Q2 base stage, and triode Q2 emitter stage is connected with ground GND, triode
Q2 colelctor electrode is connected with one end of air curtain 6, and the other end of air curtain 6 is connected with power supply VCC.
As shown in figure 8, being not turned on after triode Q1 base stage receives low level signal, photo-coupler U3 is not led
It is logical, therefore relay KM1 must not be electric, relay normally open contact KM1-1 dead electricity disconnects, and air curtain 6 does not start；When triode Q1's
Base stage is turned on after receiving the signal of high level, photo-coupler U3 conductings, therefore relay KM1 obtains electric, relay normally open contact
KM1-1 obtains electric closure, and triode Q2 base stage receives the signal conduction of high level, and air curtain 6 starts to start.
Assembling process：
1st, by the first end cap 10 and first support 9 with heat-insulated silica gel piece 21 to infrared launcher 4 bolts 11, spiral shells
Mother 12 is fixed；
2nd, by the second end cap 14 with heat-insulated silica gel piece 21 and second support 13 to 5 bolts 11 of infrared receiving device,
Nut 12 is fixed；
3rd, first support 9 is threadedly coupled on the first door-plate 2, and makes the first jumping bean spring 16 and the first buckling groove 17
Rotated；
4th, second support 13 is threadedly coupled on the second door-plate 3, and makes the second jumping bean spring 19 and the second buckling groove
20 are rotated.
The course of work：
1st, the outputting oscillation signal of oscillating circuit 23 of chip U1 compositions gives infraluminescence pipe LED1, the first door-plate 2 and second
When door-plate 3 is in the state closed, the signal of infraluminescence pipe LED1 outputs is received by infrared receiving tube LED2, chip U2's
1 pin exports low level signal, and now triode Q1 base stage receives low level signal and is not turned on, and photo-coupler U3 is not led
Logical, now relay KM1 is not turned on, and relay normally open contact KM1-1 dead electricity disconnects, and triode Q2 is not turned on, and air curtain 6 is not opened
It is dynamic.
2nd, the outputting oscillation signal of oscillating circuit 23 of chip U1 compositions gives infraluminescence pipe LED1, the first door-plate 2 and second
When door-plate 3 is in the state opened, the signal of infraluminescence pipe LED1 outputs can not be received by infrared receiving tube LED2, chip
U2 1 pin exports the signal of high level, and now triode Q1 base stage receives the signal conduction of high level, and photo-coupler U3 is led
Logical, now relay KM1 is turned on, and relay normally open contact KM1-1 obtains electric closure, and triode Q2 conductings, air curtain 6 starts to open
It is dynamic.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (10)
1. a kind of vehicle tracking test instrument, including thermostatic box (1), the first door-plate (2) for being articulated on thermostatic box (1) with second
Plate (3), it is characterized in that：The infrared launcher (4) for launching infrared emission signal is provided with first door-plate (2),
It is provided with second door-plate (3) and is coupled to infrared launcher (4) to receive infrared emission signal and export infrared receiver
Being provided with the infrared receiving device (5) of signal, the thermostatic box (1) is used for the temperature in thermostatic box (1) and the external world
The air curtain (6) isolated of temperature, in addition to be coupled to infrared receiving device (5) to receive received IR signal and export
The infrared control device (7) of infrared control signal, it is coupled to infrared control device (7) to receive infrared control signal and control wind
The starter (8) that curtain machine (6) is opened and closed；
When any one fan in first door-plate (2) and the second door-plate (3) is opened, the infrared receiving device (5) is just not
Infrared emission signal can be received, the air curtain (6) starts.
2. a kind of vehicle tracking test instrument according to claim 1, it is characterized in that：It is threaded with first door-plate (2)
The first end cap (10) is articulated with first support (9) for fixing infrared launcher (4), the first support (9), it is described
The side of first end cap (10), first support (9) away from pivot joint is screwed by bolt (11), nut (12).
3. a kind of vehicle tracking test instrument according to claim 2, it is characterized in that：It is threaded with second door-plate (3)
The second end cap (14), institute are articulated with second support (13) for fixing infrared receiving device (5), the second support (13)
The side of the second end cap (14), second support (13) away from pivot joint is stated to be screwed by bolt (11), nut (12).
4. a kind of vehicle tracking test instrument according to claim 2, it is characterized in that：First is provided with the first support (9)
It is provided with the first jumping bean spring (16), first door-plate (2) to be provided with rotating disk (15), first rotating disk (15) and supplies
First buckling groove (17) of one jumping bean spring (16) clamping.
5. a kind of vehicle tracking test instrument according to claim 3, it is characterized in that：Second is provided with the second support (13)
It is provided with the second jumping bean spring (19), second door-plate (3) to be provided with rotating disk (18), second rotating disk (18) and supplies
Second buckling groove (20) of two jumping bean spring (19) clampings.
6. a kind of vehicle tracking test instrument according to claim 5, it is characterized in that：The first support (9), second support
(13), the first end cap (10), be provided with heat-insulated silica gel piece (21), the heat-insulated silica gel piece (21) on the second end cap (14) and set
It is equipped with non-slip texture (22).
7. a kind of vehicle tracking test instrument according to claim 1, it is characterized in that：The infrared launcher (4) includes being used for
The oscillating circuit (23) of outputting oscillation signal, it is coupled to oscillating circuit (23) to receive oscillator signal and export infrared emission signal
To the infrared transmitting circuit (24) of infrared receiving device (5).
8. a kind of vehicle tracking test instrument according to claim 1, it is characterized in that：The infrared receiving device (5) includes coupling
In infrared launcher (4) with receive infrared emission signal and export infrared switch signal infrared switch circuit (25), coupling
In infrared switch circuit (25) to receive infrared switch signal and export received IR signal infrared to infrared control device (7)
Control circuit (26).
9. a kind of vehicle tracking test instrument according to claim 1, it is characterized in that：The infrared control device (7) includes coupling
In infrared receiving device (5) to receive received IR signal and export the infrared controlled switch circuit of infrared controlled switch signal
(27) infrared controlled switch circuit (27), is coupled to receive infrared controlled switch signal and export infrared control signal to electromagnetism
The infrared trigger circuit (28) of control valve device.
10. a kind of vehicle tracking test instrument according to claim 9, it is characterized in that：The infrared control device (7) also includes coupling
Infrared controlled switch circuit (27) is connected to receive the photoelectric coupled circuit (29) of infrared controlled switch signal and output light coupling signal, institute
Infrared trigger circuit (28) is stated to be coupled to photoelectric coupled circuit (29) to receive optocoupler signal and export infrared control signal to starting dress
Put (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075849.4U CN206523361U (en) | 2017-01-19 | 2017-01-19 | A kind of vehicle tracking test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075849.4U CN206523361U (en) | 2017-01-19 | 2017-01-19 | A kind of vehicle tracking test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206523361U true CN206523361U (en) | 2017-09-26 |
Family
ID=59889918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720075849.4U Expired - Fee Related CN206523361U (en) | 2017-01-19 | 2017-01-19 | A kind of vehicle tracking test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206523361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332825A (en) * | 2020-11-12 | 2021-02-05 | 佛山市高明欧一电子制造有限公司 | Anti-interference device for photoelectric switch |
-
2017
- 2017-01-19 CN CN201720075849.4U patent/CN206523361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332825A (en) * | 2020-11-12 | 2021-02-05 | 佛山市高明欧一电子制造有限公司 | Anti-interference device for photoelectric switch |
| CN112332825B (en) * | 2020-11-12 | 2024-02-06 | 佛山市高明欧一电子制造有限公司 | Anti-interference device for photoelectric switch |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315700 No. 8 Fengtai Road, Juexi Street, Xiangshan County, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG RUNDA TESTING TECHNOLOGY Co.,Ltd. Address before: 315700 No. 8 Fengtai Road, Juexi Street, Xiangshan County, Ningbo City, Zhejiang Province Patentee before: NINGBO LIANGHE ENGINEERING DETECTION TECHNOLOGY CO.,LTD. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 316000 room 517, 5th floor, No. 10, west section of Xingzhou Avenue, Yancang street, Dinghai District, Zhoushan City, Zhejiang Province Patentee after: ZHEJIANG RUNDA TESTING TECHNOLOGY Co.,Ltd. Address before: 315700, No. 8, Tai Feng street, Jue Xi Street, Xiangshan County, Ningbo, Zhejiang Patentee before: ZHEJIANG RUNDA TESTING TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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