CN207563103U - The control circuit of electrostatic adsorption type air purifier - Google Patents
The control circuit of electrostatic adsorption type air purifier Download PDFInfo
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- CN207563103U CN207563103U CN201721899098.4U CN201721899098U CN207563103U CN 207563103 U CN207563103 U CN 207563103U CN 201721899098 U CN201721899098 U CN 201721899098U CN 207563103 U CN207563103 U CN 207563103U
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Abstract
The utility model is related to a kind of control circuits of electrostatic adsorption type air purifier, governor circuit connects fan drive circuit respectively, high-pressure electrostatic module detection circuit, high-pressure electrostatic module drive circuit, function button circuit, display circuit and DC DC reduction voltage circuits, overcurrent-overvoltage protecting circuit connects current rectifying and wave filtering circuit, current rectifying and wave filtering circuit connects isolating switch power reduction voltage circuit, isolating switch power reduction voltage circuit connects high-pressure electrostatic module drive circuit and DC DC reduction voltage circuits, DC DC reduction voltage circuits connect high-pressure electrostatic module detection circuit, high-pressure electrostatic module connects high-pressure electrostatic module drive circuit and high-pressure electrostatic module detection circuit；Thereby, dust and smog are effectively filtered, has the function that air purification, health is effectively ensured；Moreover, the arcing phenomenon of high-pressure electrostatic net is avoided the occurrence of with the presence or absence of foreign matter between high-pressure electrostatic net can be detected；And can multi-mode operation, while can real-time display working condition, be conveniently operated, have preferable practicability.
Description
Technical field
The utility model is related to air purifier fields, refer in particular to a kind of control electricity of electrostatic adsorption type air purifier
Road.
Background technology
With social development, air quality becomes worse and worse.In order to improve the quality of living, people would generally select to use
Air purifier purifies the air of surrounding；General air purifier does not have dust removing effects, and existing air purification
Device function is single, it is impossible to realize timing, adjust wind speed multi-functional operation and, it is impossible to the shape of real-time display air purifier
State.
Therefore, in the utility model patent application, applicant has studied intensively a kind of electrostatic adsorption type air purifier
Control circuit solves the above problem.
Utility model content
Existing deficiency, main purpose are to provide a kind of electrostatic adsorption type sky the utility model for the above-mentioned prior art
The control circuit of gas purifier, effectively filters dust and smog, has the function that air purification, and health is effectively ensured；
Moreover, the arcing phenomenon of high-pressure electrostatic net is avoided the occurrence of with the presence or absence of foreign matter between high-pressure electrostatic net can be detected, it can be more preferably pre-
Electrical fire prevention；And can multi-mode operation, while can real-time display working condition, be conveniently operated, have preferable real
The property used.
To realize above-mentioned purpose, the utility model adopts the following technical scheme that：
A kind of control circuit of electrostatic adsorption type air purifier, including governor circuit, high-pressure electrostatic module, wind turbine driving
Circuit, fan assembly, high-pressure electrostatic module drive circuit, high-pressure electrostatic module detection circuit, function button circuit, display electricity
Road, DC-DC reduction voltage circuits and be connected to 200V to 260V alternating current Width funtion isolated power supply management circuit, master control electricity
Road connects fan drive circuit, high-pressure electrostatic module detection circuit, high-pressure electrostatic module drive circuit, function button electricity respectively
Road, display circuit and DC-DC reduction voltage circuits, the Width funtion isolated power supply management circuit include current rectifying and wave filtering circuit, isolation
Switching Power Supply reduction voltage circuit and be connected to 200V to 260V alternating current overcurrent-overvoltage protecting circuit, the over-current over-voltage protection
Circuit connects current rectifying and wave filtering circuit, and the current rectifying and wave filtering circuit connects isolating switch power reduction voltage circuit, it is described keep apart it is powered-down
Source reduction voltage circuit connects high-pressure electrostatic module drive circuit and DC-DC reduction voltage circuits respectively, and the DC-DC reduction voltage circuits connection is high
Electrostatic module detection circuit is pressed, the high-pressure electrostatic module connects high-pressure electrostatic module drive circuit and high-pressure electrostatic module respectively
Detection circuit, the fan drive circuit connect fan assembly.
As a preferred embodiment, the governor circuit draws including main control chip U2, the main control chip U2 with master control
Foot 1 is to master control pin 19, the master control pin 3, master control pin 2, master control pin 19, master control pin 17, master control pin 18, master control
Pin 1, master control pin 13, master control pin 14, master control pin 16, master control pin 20 and master control pin 6 connect display electricity respectively
Road；Master control pin 4 connects fan drive circuit, and master control pin 5 is grounded, and master control pin 8 connects high-pressure electrostatic module detection circuit,
Master control pin 9 connects high-pressure electrostatic module drive circuit, 10 linkage function key circuit of master control pin, and master control pin 15 is connected with
Master control filter circuit, the master control filter circuit include polar capacitor C1 and are parallel to the capacitance of polar capacitor C1 positive and negative electrodes
The anode connection master control pin 15 of C2, polar capacitor C1, the cathode ground connection of polar capacitor C1.
As a preferred embodiment, the high-pressure electrostatic module drive circuit includes resistance R1, resistance R4, resistance R3, electricity
Resistance R6, triode Q1, p-type metal-oxide-semiconductor Q2, diode D2, inductance L2, polar capacitor C3, capacitance C4 and high-pressure electrostatic module connect
Mouth CN2, aforementioned master control pin 9 pass through the base stage of resistance R1 connecting triodes Q1, aforementioned isolating switch power reduction voltage circuit difference
One end, one end of resistance R6 and the drain electrode of p-type metal-oxide-semiconductor Q2 of resistance R3 is connected, the other end of resistance R3 connects three poles respectively
The base stage of pipe Q1 and one end of resistance R4, the other end of resistance R6 connect the grid of p-type metal-oxide-semiconductor Q2 and the collection of triode Q1 respectively
Electrode, the source electrode of p-type metal-oxide-semiconductor Q2 connect the cathode of diode D2 and one end of inductance L2, the other end connection of inductance L2 respectively
The anode of polar capacitor C3, the positive and negative anodes shunt capacitance C4 of polar capacitor C3；The high-pressure electrostatic module interface CN2 has first
1 and first pin 2 of pin, first pin 1 connect the anode of polar capacitor C3, the other end of resistance R4, triode Q1
Emitter, the anode of diode D2, the cathode of polar capacitor C3 and the first pin 2 are grounded jointly.
As a preferred embodiment, the high-pressure electrostatic module detection circuit includes amplifier chip U4, resistance R11, resistance
R12, resistance R5, resistance R8, resistance R7, resistance R13, resistance R15, resistance R14, resistance R16, capacitance C6, capacitance C7, capacitance C5
And high-pressure electrostatic module detection interface CN7, the amplifier chip U4 have amplifier pin 1 to amplifier pin 8, amplifier pin 1
By the aforementioned master control pin 8 of resistance R11 connections, master control pin 8 is grounded by capacitance C6, and amplifier pin 1 is also connected by resistance R7
Amplifier pin 2 is connect, amplifier pin 2 is grounded by resistance R12, and amplifier pin 3 by resistance R5 connection amplifiers pin 7, draw by amplifier
Foot 3 is also grounded by resistance R8, and amplifier pin 4 and amplifier pin 4 are grounded jointly, and the output terminal of aforementioned DC-DC reduction voltage circuits connects
Amplifier pin 8 is connect, amplifier pin 8 is grounded by capacitance C5, and amplifier pin 7 by resistance R13 connection amplifiers pin 6, draw by amplifier
Foot 6 is by one end of resistance R14 connection capacitances C7, the other end ground connection of capacitance C7, in parallel after resistance R15 and resistance R16 series connection
In the both ends of capacitance C7, high-pressure electrostatic module detection interface CN7 has second pin 1 and second pin 2, the second pin 1
Connect one end of capacitance C7 jointly with second pin 2.
As a preferred embodiment, the amplifier chip U4 uses the dual operational amplifier of LM358 models.
As a preferred embodiment, the function button circuit is connected with backlight circuit for lamp.
The utility model has clear advantage and advantageous effect compared with prior art, specifically：It is quiet by high pressure
Electric module can effectively filter dust and smog, have the function that air purification, health is effectively ensured；Moreover, pass through high pressure
Electrostatic module detection circuit can detect between high-pressure electrostatic net with the presence or absence of foreign matter, avoid the occurrence of the arcing of high-pressure electrostatic net
Phenomenon, safety coefficient is high, can more preferable preventing electric fire and raising security reliability；And overall construction design is ingenious, it can
Multi-mode operation, while can be conveniently operated by display circuit real-time display working condition, there is preferable practicability.
More clearly to illustrate the structure feature and effect of the utility model, come below in conjunction with the accompanying drawings with specific embodiment pair
It is described in detail.
Description of the drawings
Fig. 1 is the general principles block diagram of the embodiment of the utility model；
Fig. 2 is the local principle schematic of the embodiment of the utility model.
Drawing reference numeral explanation：
10th, governor circuit 20, high-pressure electrostatic module
30th, fan drive circuit 40, fan assembly
50th, high-pressure electrostatic module drive circuit 60, high-pressure electrostatic module detection circuit
70th, function button circuit 80, DC-DC reduction voltage circuits
90th, alternating current 100, Width funtion isolated power supply management circuit
101st, current rectifying and wave filtering circuit 102, isolating switch power reduction voltage circuit
103rd, overcurrent-overvoltage protecting circuit.
Specific embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of control circuit of electrostatic adsorption type air purifier, including governor circuit 10, high pressure
Electrostatic module 20, fan drive circuit 30, fan assembly 40, high-pressure electrostatic module drive circuit 50, the detection of high-pressure electrostatic module
Circuit 60, function button circuit 70, display circuit, DC-DC reduction voltage circuits 80 and 200V is connected to the width of 260V alternating currents 90
Voltage isolated power supply manages circuit 100, wherein：
The governor circuit 10 connects fan drive circuit 30, high-pressure electrostatic module detection circuit 60, high-pressure electrostatic respectively
Module drive circuit 50, function button circuit 70, display circuit and DC-DC reduction voltage circuits 80, the Width funtion isolated power supply
Management circuit 100 includes current rectifying and wave filtering circuit 101, isolating switch power reduction voltage circuit 102 and is connected to 200V to 260V cities
The overcurrent-overvoltage protecting circuit 103 of electricity 90, the overcurrent-overvoltage protecting circuit 103 connect current rectifying and wave filtering circuit 101, the rectification
Filter circuit 101 connects isolating switch power reduction voltage circuit 102, and the isolating switch power reduction voltage circuit 102 connects height respectively
Electrostatic module drive circuit 50 and DC-DC reduction voltage circuits 80 are pressed, the DC-DC reduction voltage circuits 80 connect the detection of high-pressure electrostatic module
Circuit 60；The high-pressure electrostatic module 20 connects high-pressure electrostatic module drive circuit 50 and high-pressure electrostatic module detection circuit respectively
60, the fan drive circuit 30 connects fan assembly 40, and the function button circuit 70 is connected with backlight circuit for lamp 71；
The alternating current 90 of 200V to 260V passes through the mistake being made of fuse F1, varistor TVS1 and thermistor NTC
After flowing through voltage protection circuit 103, then capacitance CX1 in rectified filter circuit 101, inductance L1, DC diode 1 to direct current two
After pole pipe 4, capacitance EC1, then through OB2263 chips U7, optocoupler, the 5th N-type MOS in isolating switch power reduction voltage circuit 102
Pipe Q5, transformer T1, diode D8 etc. are converted to 24V direct currents, the high-pressure electrostatic module drive circuit of supply all the way of 24V direct currents
The another way supply DC-DC reduction voltage circuits 80 of 50,24V direct currents are converted to 5V and are examined for following main control chip U2 and high-pressure electrostatic module
Slowdown monitoring circuit 60.
In the present embodiment, the governor circuit 10, which includes main control chip U2, the main control chip U2, has master control pin 1
To master control pin 19, master control pin 15 is connected with master control filter circuit, the master control filter circuit include polar capacitor C1 and
The capacitance C2 of polar capacitor C1 positive and negative electrodes is parallel to, the anode connection master control pin 15 of polar capacitor C1, polar capacitor C1's is negative
Pole is grounded.
The master control pin 3, master control pin 2, master control pin 19, master control pin 17, master control pin 18, master control pin 1, master
Control pin 13, master control pin 14, master control pin 16, master control pin 20 and master control pin 6 connect display circuit respectively；It is described aobvious
Show that circuit can show ESP clean promptings, 4 lattice of wind-speed gear, 1 to 24 hour function declaration；The display circuit includes multiple
Functional status indicator light.
Master control pin 4 connect fan drive circuit 30, in the present embodiment, the fan assembly 40 include the first wind turbine,
Second wind turbine and third wind turbine, aforementioned main control chip U2 export different pwm signals and are driven with controlling fan drive circuit 30
Dynamic first wind turbine, the second wind turbine and third wind turbine simultaneously have the function that adjust wind speed.
Master control pin 5 is grounded, and master control pin 8 connects high-pressure electrostatic module detection circuit 60, in the present embodiment, the height
Electrostatic module detection circuit 60 is pressed to include amplifier chip U4, resistance R11, resistance R12, resistance R5, resistance R8, resistance R7, resistance
R13, resistance R15, resistance R14, resistance R16, capacitance C6, capacitance C7, capacitance C5 and high-pressure electrostatic module 20 detect interface
CN7, it is preferable that the amplifier chip U4 uses the dual operational amplifier of LM358 models；The amplifier chip U4 draws with amplifier
Foot 1 to amplifier pin 8, amplifier pin 1 is grounded by the aforementioned master control pin 8 of resistance R11 connections, master control pin 8 by capacitance C6,
Amplifier pin 1 is also by resistance R7 connection amplifiers pin 2, and amplifier pin 2 is grounded by resistance R12, and amplifier pin 3 passes through resistance
R5 connection amplifiers pin 7, amplifier pin 3 is also grounded by resistance R8, and amplifier pin 4 and amplifier pin 4 are grounded jointly, aforementioned
The output terminal connection amplifier pin 8 of DC-DC reduction voltage circuits 80, amplifier pin 8 is grounded by capacitance C5, and amplifier pin 7 passes through electricity
R13 connection amplifiers pin 6 is hindered, amplifier pin 6 passes through one end of resistance R14 connection capacitances C7, the other end ground connection of capacitance C7, electricity
The both ends of capacitance C7 are parallel to after resistance R15 and resistance R16 series connection, high-pressure electrostatic module 20, which detects interface CN7, has second pin 1
With second pin 2, one end of the second pin 1 and the common connection capacitance C7 of second pin 2.
Master control pin 9 connects high-pressure electrostatic module drive circuit 50, in the present embodiment, the high-pressure electrostatic module drive
Circuit 50 includes resistance R1, resistance R4, resistance R3, resistance R6, triode Q1, p-type metal-oxide-semiconductor Q2, diode D2, inductance L2, pole
Property capacitance C3,20 interface CN2 of capacitance C4 and high-pressure electrostatic module, aforementioned master control pin 9 pass through resistance R1 connecting triodes Q1
Base stage, aforementioned isolating switch power reduction voltage circuit 102 connects one end of resistance R3, one end of resistance R6 and p-type MOS respectively
The drain electrode of pipe Q2, the base stage of other end difference connecting triode Q1 of resistance R3 and one end of resistance R4, the other end of resistance R6
The collector of the grid of connection p-type metal-oxide-semiconductor Q2 and triode Q1, the source electrode of p-type metal-oxide-semiconductor Q2 connect diode D2's respectively respectively
One end of cathode and inductance L2, the anode of the other end connection polar capacitor C3 of inductance L2, the positive and negative anodes of polar capacitor C3 are in parallel
Capacitance C4；The 20 interface CN2 of high-pressure electrostatic module has the first pin 1 and the first pin 2, and first pin 1 connects pole
Property capacitance C3 anode, the other end of resistance R4, the emitter of triode Q1, the anode of diode D2, polar capacitor C3 it is negative
Pole and the first pin 2 are grounded jointly.
10 linkage function key circuit 70 of master control pin, the function button circuit 70 include switching on and shutting down button S4, night
Mode key S3, wind speed button S2 and regularly button S1, the switching on and shutting down button S4 pass through resistance R25 connection master control pins
10, Night button S3 pass through resistance R23 connection master control pins by resistance R24 connection master controls pin 10, wind speed button S2
10, regularly button S1 pass through resistance R22 connection master controls pin 10；It should be noted that aforementioned switches machine button S4, Night
The bottom of button S3, wind speed button S2 and regularly button S1 have been correspondingly connected with backlight, after corresponding keypress function is opened,
The bottom backlight of button also lights.
The utility model designing points are, mainly by high-pressure electrostatic module, can effectively filter dust and smog,
Have the function that air purification, health is effectively ensured；Moreover, by high-pressure electrostatic module detection circuit, height can be detected
With the presence or absence of foreign matter between pressure electrostatic net, the arcing phenomenon of high-pressure electrostatic net is avoided the occurrence of, safety coefficient is high, can be more preferably pre- anti-electric
Gas fire and raising security reliability；And overall construction design is ingenious, can multi-mode operation, while display can be passed through
Circuit real-time display working condition, is conveniently operated, and has preferable practicability.
The above is only the utility model preferred embodiment, not the technical scope of the utility model is appointed
What is limited, therefore every any trickle amendment, equivalent variations made according to the technical essence of the utility model to above example
With modification, in the range of still falling within technical solutions of the utility model.
Claims (6)
1. a kind of control circuit of electrostatic adsorption type air purifier, it is characterised in that：Including governor circuit, high-pressure electrostatic mould
Block, fan drive circuit, fan assembly, high-pressure electrostatic module drive circuit, high-pressure electrostatic module detection circuit, function button electricity
Road, display circuit, DC-DC reduction voltage circuits and be connected to 200V to 260V alternating current Width funtion isolated power supply management circuit,
The governor circuit connects fan drive circuit, high-pressure electrostatic module detection circuit, high-pressure electrostatic module drive circuit, work(respectively
Energy key circuit, display circuit and DC-DC reduction voltage circuits, the Width funtion isolated power supply management circuit include rectifying and wave-filtering electricity
Road, isolating switch power reduction voltage circuit and be connected to 200V to 260V alternating current overcurrent-overvoltage protecting circuit, the overcurrent
Overvoltage crowbar connects current rectifying and wave filtering circuit, and the current rectifying and wave filtering circuit connects isolating switch power reduction voltage circuit, it is described every
High-pressure electrostatic module drive circuit and DC-DC reduction voltage circuits, the DC-DC decompressions electricity are connected respectively from Switching Power Supply reduction voltage circuit
Road connects high-pressure electrostatic module detection circuit, and the high-pressure electrostatic module connects high-pressure electrostatic module drive circuit and high pressure respectively
Electrostatic module detection circuit, the fan drive circuit connect fan assembly.
2. the control circuit of electrostatic adsorption type air purifier according to claim 1, it is characterised in that：The master control electricity
Road, which includes main control chip U2, the main control chip U2, has master control pin 1 to master control pin 19, and the master control pin 3, master control are drawn
Foot 2, master control pin 19, master control pin 17, master control pin 18, master control pin 1, master control pin 13, master control pin 14, master control pin
16th, master control pin 20 and master control pin 6 connect display circuit respectively；Master control pin 4 connects fan drive circuit, master control pin
5 ground connection, master control pin 8 connect high-pressure electrostatic module detection circuit, and master control pin 9 connects high-pressure electrostatic module drive circuit, main
10 linkage function key circuit of pin is controlled, master control pin 15 is connected with master control filter circuit, and the master control filter circuit includes pole
Property capacitance C1 and be parallel to the capacitance C2 of polar capacitor C1 positive and negative electrodes, the anode connection master control pin 15 of polar capacitor C1, pole
Property capacitance C1 cathode ground connection.
3. the control circuit of electrostatic adsorption type air purifier according to claim 2, it is characterised in that：The high pressure is quiet
Electric module drive circuit includes resistance R1, resistance R4, resistance R3, resistance R6, triode Q1, p-type metal-oxide-semiconductor Q2, diode D2, electricity
Sense L2, polar capacitor C3, capacitance C4 and high-pressure electrostatic module interface CN2, aforementioned master control pin 9 pass through three pole of resistance R1 connections
The base stage of pipe Q1, aforementioned isolating switch power reduction voltage circuit connect one end of resistance R3, one end of resistance R6 and p-type respectively
The drain electrode of metal-oxide-semiconductor Q2, the base stage of other end difference connecting triode Q1 of resistance R3 and one end of resistance R4, resistance R6's is another
The collector of the grid of connection p-type metal-oxide-semiconductor Q2 and triode Q1, the source electrode of p-type metal-oxide-semiconductor Q2 connect diode D2 respectively respectively at end
Cathode and inductance L2 one end, the anode of the other end connection polar capacitor C3 of inductance L2, the positive and negative anodes of polar capacitor C3 are simultaneously
Join capacitance C4；The high-pressure electrostatic module interface CN2 has the first pin 1 and the first pin 2, and first pin 1 connects pole
Property capacitance C3 anode, the other end of resistance R4, the emitter of triode Q1, the anode of diode D2, polar capacitor C3 it is negative
Pole and the first pin 2 are grounded jointly.
4. the control circuit of electrostatic adsorption type air purifier according to claim 2, it is characterised in that：The high pressure is quiet
Electric module detection circuit includes amplifier chip U4, resistance R11, resistance R12, resistance R5, resistance R8, resistance R7, resistance R13, electricity
Hinder R15, resistance R14, resistance R16, capacitance C6, capacitance C7, capacitance C5 and high-pressure electrostatic module detection interface CN7, the fortune
Chip U4 is put with amplifier pin 1 to amplifier pin 8, amplifier pin 1 by the aforementioned master control pin 8 of resistance R11 connections, draw by master control
Foot 8 is grounded by capacitance C6, and also by resistance R7 connection amplifiers pin 2, amplifier pin 2 is connect amplifier pin 1 by resistance R12
Ground, amplifier pin 3 is by resistance R5 connection amplifiers pin 7, and amplifier pin 3 is also grounded by resistance R8, amplifier pin 4 and amplifier
Pin 4 is grounded jointly, and the output terminal connection amplifier pin 8 of aforementioned DC-DC reduction voltage circuits, amplifier pin 8 is grounded by capacitance C5,
For amplifier pin 7 by resistance R13 connection amplifiers pin 6, amplifier pin 6 passes through one end of resistance R14 connection capacitances C7, capacitance C7
Other end ground connection, be parallel to the both ends of capacitance C7, high-pressure electrostatic module detection interface CN7 after resistance R15 and resistance R16 series connection
With second pin 1 and second pin 2, one end of the second pin 1 and the common connection capacitance C7 of second pin 2.
5. the control circuit of electrostatic adsorption type air purifier according to claim 4, it is characterised in that：The amplifier core
Piece U4 uses the dual operational amplifier of LM358 models.
6. the control circuit of electrostatic adsorption type air purifier according to claim 1, it is characterised in that：The function is pressed
Key circuit is connected with backlight circuit for lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899098.4U CN207563103U (en) | 2017-12-29 | 2017-12-29 | The control circuit of electrostatic adsorption type air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899098.4U CN207563103U (en) | 2017-12-29 | 2017-12-29 | The control circuit of electrostatic adsorption type air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207563103U true CN207563103U (en) | 2018-07-03 |
Family
ID=62686297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721899098.4U Expired - Fee Related CN207563103U (en) | 2017-12-29 | 2017-12-29 | The control circuit of electrostatic adsorption type air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207563103U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960189A (en) * | 2019-09-12 | 2020-04-07 | 中国人民解放军陆军特色医学中心 | Wireless cognitive regulator and eye movement treatment and treatment effect evaluation method |
| CN111708301A (en) * | 2020-06-23 | 2020-09-25 | 大连华录国正产业有限公司 | Electrical control system of multifunctional air purifier |
| CN115143539A (en) * | 2022-07-05 | 2022-10-04 | 青岛海信日立空调***有限公司 | Air conditioner |
-
2017
- 2017-12-29 CN CN201721899098.4U patent/CN207563103U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960189A (en) * | 2019-09-12 | 2020-04-07 | 中国人民解放军陆军特色医学中心 | Wireless cognitive regulator and eye movement treatment and treatment effect evaluation method |
| CN111708301A (en) * | 2020-06-23 | 2020-09-25 | 大连华录国正产业有限公司 | Electrical control system of multifunctional air purifier |
| CN111708301B (en) * | 2020-06-23 | 2024-05-31 | 大连华录国正产业有限公司 | Electric control system of multifunctional air purifier |
| CN115143539A (en) * | 2022-07-05 | 2022-10-04 | 青岛海信日立空调***有限公司 | Air conditioner |
| CN115143539B (en) * | 2022-07-05 | 2023-06-27 | 青岛海信日立空调***有限公司 | Air conditioner |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |