CN207654384U - Tooth chair negative-pressure ward signal monitor - Google Patents
Tooth chair negative-pressure ward signal monitor Download PDFInfo
- Publication number
- CN207654384U CN207654384U CN201720058553.1U CN201720058553U CN207654384U CN 207654384 U CN207654384 U CN 207654384U CN 201720058553 U CN201720058553 U CN 201720058553U CN 207654384 U CN207654384 U CN 207654384U
- Authority
- CN
- China
- Prior art keywords
- tooth chair
- signal
- negative pressure
- dentistry
- stop
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of tooth chair negative-pressure ward signal monitors, are related to dental equipment, for solving the problems, such as that dentistry motorized pumping systems are easy because failure is constantly in operating condition.It includes the tooth chair and monitoring device of several parallel connections, the monitoring device includes the input module for acquiring tooth chair negative pressure start and stop input signal Y 0, single-chip microprocessor MCU, single-chip microcomputer extension module, power module, the output module for acquiring tooth chair negative pressure start and stop output signal Y1.It avoids dentistry motorized pumping systems because failure is constantly in operating condition, debugs in time, there is prompt warning function.
Description
Technical field
The utility model is related to dental equipments, are tooth chair negative-pressure ward signal monitors specifically.
Background technology
Dentistry negative-pressure ward system, first, it is possible to reduce the demand to compressed air, to improve the efficiency of compressor
And service life;Second, " spray cloud " is siphoned away, creates good treatment sight for doctor, medical staff can be more self-confident
Carry out the work;Third plays catharsis to the surrounding air of consulting room, can preferably protect doctor, nurse and patient
Health is to prevent cross-infection and the essential equipment of Dental office health;4th, reduce patient swallows reaction, subtracts
The number of spitting for having lacked patient, increases the comfort level of patient, improves the working efficiency of doctor;5th, it is all to be drawn into
The exhaust gas of suction in dental applications machine all can be discharged into outdoor again after air filter filters.
Patent document 200410094936.1 discloses a kind of control device being used for separator (1), including:By the first electricity
The draining pump (2) of motivation (6) power supply and the suction pump (8) powered by the second motor (12).It further includes:For detecting point
The known type sensor element of operating parameter from device (1), such as the fluid pressure in outlet, ambient temperature, motor temperature
Degree, and for provide the command signal proportional to operating parameter and when it receives command signal order converter (20,
21) it is modified to the frequency of the source current of the first motor (6) and the second motor (12).
Patent document 201280013715.X discloses a kind of close pump unit suitable for dentistry and goals of medicine,
It is equipped with the radial turbine (132,134) with minor diameter to suction machine, by the motor (36) of electric rectification with high speed quilt
Driving.For sound insulation, suction machine (34) and motor (36) are respectively provided with water jacket (90;110), on the outside on by shell (58) limit
System, shell are made of the plastic material of sound-absorbing.
Patent document 201520793181.8 discloses a kind of dentistry motorized pumping systems, including vacuum pump, gas-liquid separation
There is air entry and exhaust outlet, gas-liquid separator to be located at below vacuum pump, have on gas-liquid separator for device and pedestal, vacuum pump upper end
There are pump orifice and sewage draining exit, is sealed between vacuum pump and gas-liquid separator and fix an end cap, the setting of vacuum pump lower part and air entry
The second air entry communicated, the channel of end cap interior setting connection the second air entry and gas-liquid separator inner cavity.The utility model knot
Structure is simple, flexible design, by the way that end cap, and the setting connection vacuum pump in end cap are arranged between vacuum pump and gas-liquid separator
On the one hand the channel of second air entry and gas-liquid separator can be improved whole with the shorter longer pipeline of channel substitution tradition
On the other hand the suction force of body dentistry motorized pumping systems can reduce the load of vacuum pump, improve service life of vacuum pump, and
Improve the stability of whole system vacuum degree.
Patent document 201620067215.X discloses a kind of frequency control dentistry motorized pumping systems, including vacuum pump and
Gas-liquid separator, installs pressure transmitter on gas-liquid separator, and vacuum pump connects frequency converter, pressure transmitter and frequency converter with
Control system connects.The mode that the utility model matches by using frequency converter and pressure transmitter, can be by pressure inverting
The vacuum degree for the dental comprehensive therapeutic system that device measures is compared with setting vacuum degree, and changes vacuum by frequency converter
The rotating speed of pump can reduce power consumption using the low ebb phase, play energy-saving effect to meet the needs of dental comprehensive therapeutic chair,
It can ensure that the normal work using peak period again.
Patent document 201120565638.1 discloses a kind of intelligent control dental therapeutic apparatus suction system, including several
The suction system that pump and knockout drum in parallel is constituted, suction system connect main circuit power supply, it is characterised in that:Setting power supply is secondary
Circuit, power supply secondary circuit include PLC control devices and frequency converter, and man-machine interface, separation is arranged in the input terminal of PLC control devices
Pressure transmitter, the first control terminal of the output end connection frequency converter of pressure transmitter is arranged in tank, and the communication terminal of frequency converter connects
Connect the communication terminal of PLC, the second control terminal of the output end connection frequency converter of PLC control devices, the output end connection of frequency converter
The power input of the pump of suction system.The utility model main circuit power supply is cut with power supply secondary circuit according to operating condition realization
It changes, there is good energy saving property, reduce repair, operating cost, improve pressure precision, improve operating mode quality, suction force is reliable and stable, prolongs
The service life pumped in long suction system reduces the noise of suction system.
When on tooth chair " strong inhale " or " weak suction " handle lift when, tooth chair internal circuit can export a passive switch letter
Number, this passive switch signal of tooth chair is known as " negative pressure start stop signal Y0 ";The startup and stopping of dentistry motorized pumping systems be
It is realized by being switched on or switched off dentistry motorized pumping systems " start and stop input terminal X0 ".
It is by the way that tooth chair " negative pressure start stop signal Y0 " is connected in parallel on that tooth chair, which can start and stop dentistry motorized pumping systems,
" the start and stop input terminal X0 " of dentistry motorized pumping systems.
When " the negative pressure start stop signal Y0 " of tooth chair connects " the start and stop input terminal X0 " of dentistry motorized pumping systems, dentistry is electronic
Suction system will start;
When " the negative pressure start stop signal Y0 " of tooth chair disconnects " start and stop input terminal X0 " the i.e. company of disconnection of dentistry motorized pumping systems
It connects, dentistry motorized pumping systems will stop.
But this control mode disadvantage is many, what utility model people had found when an after-sales service:The tooth of client
Section's motorized pumping systems are constantly in operating condition, on inspection " the start and stop input terminal X0 " and " negative pressure of dentistry motorized pumping systems
Start stop signal Y0 " is always existed, and dentistry motorized pumping systems are operating always, and all tooth chair and is not used, and tooth chair is caused
The reason of such failure is:Sometimes only " strong to inhale " " weak suction " handle of tooth chair does not hang up properly, causes " negative pressure start stop signal Y0 "
It exports always;Passive switch contact sometimes inside tooth chair is adhered, and causes to export always " negative pressure start stop signal Y0 ".
Utility model content
The utility model aim, which is intended to provide one kind, avoids dentistry motorized pumping systems from being constantly in operating because of failure
State is debugged in time, has the tooth chair negative-pressure ward signal monitor of prompt warning function.
To realize the above-mentioned technical purpose, the technical solution adopted in the utility model is as follows:
Tooth chair negative-pressure ward signal monitor, includes the tooth chair and monitoring device of several parallel connections, and the monitoring device includes
Input module for acquiring tooth chair negative pressure start and stop input signal Y 0, single-chip microprocessor MCU, single-chip microcomputer extension module, power module are used
In the output module of acquisition tooth chair negative pressure start and stop output signal Y1;
Single-chip microprocessor MCU cooperation input indicating circuit, the microcontroller internal logic operation differentiate per all the way
The input of tooth chair signal, and there is the program of the microcontroller to carry out logical operation, it is sent according to the logic analysis of the microcontroller
Instruction exports negative pressure start and stop output signal Y1 by output circuit;Microcontroller disconnection is sent to the electronic suction system of dentistry when failure
The negative pressure start and stop output signal Y1 of system stops the operation of dentistry motorized pumping systems;
The input module is for detecting tooth chair negative pressure start and stop input signal Y 0, when tooth chair negative pressure start and stop input signal Y 0
When being switched on or switched off, gives corresponding signal to the microcontroller and be detected;
The output module is for exporting negative pressure start and stop output signal Y1, to control the startup of dentistry motorized pumping systems
And stopping;
The power module is for providing power supply.
Preferably, the single-chip microcomputer extension module is malfunction coefficient template, and when the microcontroller failure, the microcontroller is logical
It crosses signal and is sent to display circuit, malfunction coefficient template for displaying is out of order tooth chair code, and to be sent to dentistry electronic for the disconnection that is delayed
The negative pressure start and stop output signal Y1 of suction system stops the operation of dentistry motorized pumping systems.
Preferably, the single-chip microcomputer extension module is sound-light alarm template, and when the microcontroller failure, the microcontroller is logical
It crosses signal and is sent to warning circuit, sound-light alarm template sends out sound-light alarm, and the disconnection that is delayed is sent to the electronic suction system of dentistry
The negative pressure start and stop output signal Y1 of system stops the operation of dentistry motorized pumping systems.
Preferably, the single-chip microcomputer extension module is malfunction coefficient template and sound-light alarm template, the microcontroller failure
When, the microcontroller is sent to display circuit by signal, and malfunction coefficient template for displaying is out of order tooth chair code, meanwhile, it is described
Microcontroller is sent to warning circuit by signal, and sound-light alarm template sends out sound-light alarm, and the disconnection that is delayed is sent to dental electric
The negative pressure start and stop output signal Y1 of suction system is moved to stop the operation of dentistry motorized pumping systems.
Further limit, the microcontroller be equipped with for monitor negative pressure start and stop input signal Y 0 that tooth chair is sent out it is lasting when
Between T0.
It is normal that the negative pressure start and stop input signal Y 0 that tooth chair is sent out, which persistently exists within preset time, is more than preset time
It can be determined that as malfunction.The duration T 0 of negative pressure start and stop input signal Y 0 is preset value, can be at monitoring device (FXK)
In manual modification T0 numerical value.
When failure occurs, monitoring device (FXK) first connects failure tooth chair and the signal of dentistry motorized pumping systems enters work
Make state, after continuing the T0 times, monitoring device (FXK) shields the signal of failure tooth chair and dentistry motorized pumping systems, same to Times
Alert circuit sends out sound-light alarm, prompts client faulty;The display circuit of monitoring device (FXK) can show the tooth chair volume that is out of order
Number.It should be noted that when tooth chair number is installation, after the input terminal one-to-one correspondence of monitoring device (FXK), the tooth come is arranged
Chair number.
It further limits, the microcontroller is equipped with the delay time T1 disconnected for controlling Y1 delays.
If alarm appears in nobody period, or when unmanned processing, monitoring device (FXK) can shield the negative pressure of failure tooth chair
Start and stop output signal Y1, shutdown failure tooth chair are contacted with dentistry motorized pumping systems.If when no other tooth chairs work, monitoring is set
After standby (FXK) delay T1 times, stops output negative pressure start and stop output signal Y1 and shut down dentistry motorized pumping systems.T1 is default
Value, can be manually entered preset value T1 according to customer demand by input circuit.
Preferably, the input module is connected to the connection type of dentistry motorized pumping systems negative pressure start stop signal input X0
It is exported for passive switch.
It is connected to the negative pressure start stop signal input X0 of dentistry motorized pumping systems, to realize dentistry motorized pumping systems
Start and stop.
Preferably, state input module be connected to dentistry motorized pumping systems negative pressure start stop signal input X0 connection type be
Wireless output.
The signal of circuit output is wirelessly sent, has the receiver of dentistry motorized pumping systems to carry out
It receives and executes, to realize the start and stop of dentistry motorized pumping systems.
Preferably, state input module be connected to dentistry motorized pumping systems negative pressure start stop signal input X0 connection type be
The mode of communication.
By the negative pressure start stop signal input X0 concentrated collections processing of tooth chair, and the electronic pumping of dentistry is transferred to by communication mode
Desorption system has the logic functional element of dentistry motorized pumping systems to be analyzed and is executed.
Preferably, state input module be connected to dentistry motorized pumping systems negative pressure start stop signal input X0 connection type be
Passive switch exports or the mix and match of the wireless mode for exporting or communicating.
Realize the signal transmission of more occasions.
The utility model compared with prior art, first, in the application scenario of more tooth chairs, if having tooth chair failure, I
Can accurately find failure tooth chair, accomplish that failure is accurately positioned.Second, when dentist fails accurately to hang up properly " strong to inhale " " weak suction "
When handle, monitoring device (FXK) can prompt to alarm, and doctor can correct this error faster.Third, after failure occurs
When untreated failure, monitoring device (FXK) can shield the negative pressure start and stop input signal Y 0 of failure tooth chair, not influence other just first
Normal tooth chair is connect with the work of dentistry motorized pumping systems.Secondly failure appears in nobody period, and monitoring device (FXK) first exports
Negative pressure start and stop output signal Y1 after allowing the dentistry motorized pumping systems work T0 times, then shields the negative pressure start and stop of failure tooth chair
Input signal Y 0 sends out sound-light alarm, while negative pressure start and stop input signal Y 0, and into delay countdown T1, time delays terminate
Monitoring device (FXK) disconnects the negative pressure start and stop output signal Y1 for being sent to dentistry motorized pumping systems, dentistry motorized pumping systems
It shuts down.Avoid the dentistry motorized pumping systems non-productive work caused by fault-signal.
Description of the drawings
The utility model can be further illustrated by the nonlimiting examples that attached drawing provides;
Fig. 1 is the utility model tooth chair negative-pressure ward signal monitor internal structure chart;
Fig. 2 is the utility model tooth chair negative-pressure ward signal monitor fundamental diagram;
Fig. 3 is tooth chair negative-pressure ward signal monitor wiring diagram;
Fig. 4 is that the utility model is applied to separate unit tooth chair schematic diagram;
Fig. 5 is that the utility model is applied to more tooth chair schematic diagrames;
Fig. 6 is the utility model input module communication modes (scheme one);
Fig. 7 is the utility model input module communication modes (scheme two);
Fig. 8 is the utility model input module communication modes (scheme three).
Specific implementation mode
It is right with reference to the accompanying drawings and examples in order to make those skilled in the art that the utility model may be better understood
Technical solutions of the utility model further illustrate.
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, tooth chair negative-pressure ward signal monitor, including the tooth chair of several parallel connections and
Monitoring device, monitoring device include the input module for acquiring tooth chair negative pressure start and stop input signal Y 0, single-chip microprocessor MCU, monolithic
Machine expansion module, power module, the output module for acquiring tooth chair negative pressure start and stop output signal Y1;
As the core technology scheme of the utility model, single-chip microprocessor MCU cooperation input indicating circuit, microcontroller internal logic
Operation carries out differentiating the input per tooth chair signal all the way, and has the program of microcontroller to carry out logical operation, according to microcontroller
Logic analysis sends instruction, and negative pressure start and stop output signal Y1 is exported by output circuit;Microcontroller disconnection is sent to tooth when failure
The negative pressure start and stop output signal Y1 of section's motorized pumping systems stops the operation of dentistry motorized pumping systems;
Input module is for detecting tooth chair negative pressure start and stop input signal Y 0, when tooth chair negative pressure start and stop input signal Y 0 is connected
Or it when disconnecting, gives corresponding signal to microcontroller and is detected;
Output module is for exporting negative pressure start and stop output signal Y1, to control the startup of dentistry motorized pumping systems and stop
Only;
Power module is for providing power supply.
For single-chip microcomputer extension module, as the first scheme of embodiment, single-chip microcomputer extension module is malfunction coefficient mould
Plate, when microcontroller failure, microcontroller is sent to display circuit by signal, and malfunction coefficient template for displaying is out of order tooth chair code,
And the disconnection that is delayed is sent to the negative pressure start and stop output signal Y1 of dentistry motorized pumping systems to stop dentistry motorized pumping systems
Operation.
For single-chip microcomputer extension module, as the second scheme of embodiment, single-chip microcomputer extension module is sound-light alarm mould
Plate, when microcontroller failure, microcontroller is sent to warning circuit by signal, and sound-light alarm template sends out sound-light alarm, and is delayed
Disconnection is sent to the negative pressure start and stop output signal Y1 of dentistry motorized pumping systems to stop the operation of dentistry motorized pumping systems.
For single-chip microcomputer extension module, as the third scheme of embodiment, single-chip microcomputer extension module is malfunction coefficient mould
Plate and sound-light alarm template, when microcontroller failure, microcontroller is sent to display circuit by signal, and malfunction coefficient template for displaying goes out
Failure tooth chair code, meanwhile, microcontroller is sent to warning circuit by signal, and sound-light alarm template sends out sound-light alarm, and prolongs
When disconnect be sent to the negative pressure start and stop output signal Y1 of dentistry motorized pumping systems to stop the operation of dentistry motorized pumping systems.
Using Double delay time relay troubleshooting, it is ensured that equipment normal operation, first, microcontroller is equipped with for monitoring
The duration T 0 for the negative pressure start and stop input signal Y 0 that tooth chair is sent out.
It is normal that the negative pressure start and stop input signal Y 0 that tooth chair is sent out, which persistently exists within preset time T 0, when being more than default
Between can be determined that as malfunction.The duration T 0 of negative pressure start and stop input signal Y 0 is preset value, can be in monitoring device
(FXK) numerical value of inner manual modification T0.
When failure occurs, monitoring device (FXK) first connects failure tooth chair and the signal of dentistry motorized pumping systems enters work
Make state, after continuing the T0 times, monitoring device (FXK) shields the signal of failure tooth chair and dentistry motorized pumping systems, same to Times
Alert circuit sends out sound-light alarm, prompts client faulty;The display circuit of monitoring device (FXK) can show the tooth chair volume that is out of order
Number.It should be noted that when tooth chair number is installation, after the input terminal one-to-one correspondence of monitoring device (FXK), the tooth come is arranged
Chair number.
Second, microcontroller is equipped with the delay time T1 disconnected for controlling Y1 delays.
If alarm appears in nobody period, or when unmanned processing, monitoring device (FXK) can shield the negative pressure of failure tooth chair
Start and stop output signal Y1, shutdown failure tooth chair are contacted with dentistry motorized pumping systems.If when no other tooth chairs work, monitoring is set
After standby (FXK) delay T1 times, stops output negative pressure start and stop output signal Y1 and shut down dentistry motorized pumping systems.T1 is default
Value, can be manually entered preset value T1 according to customer demand by input circuit.
Tooth chair negative-pressure ward signal monitor hardware allocation tables
1 | Exchange 2220V power supply L lines | 16 | The public input terminal of signal wire |
2 | Exchange 2220V power supply N lines | 17 | 7# tooth chair negative pressure signal input terminals |
3 | Negative-pressure ward signal Y1 output ends | 18 | 8# tooth chair negative pressure signal input terminals |
4 | Negative-pressure ward signal Y1 output ends | 19 | 9# tooth chair negative pressure signal input terminals |
5 | Alarm signal output ends | 20 | 10# tooth chair negative pressure signal input terminals |
6 | Alarm signal output ends | 21 | The public input terminal of signal wire |
7 | Internal dc source+ | 22 | 11# tooth chair negative pressure signal input terminals |
8 | Internal dc source- | 23 | 12# tooth chair negative pressure signal input terminals |
9 | 6# tooth chair negative pressure signal input terminals | 24 | 13# tooth chair negative pressure signal input terminals |
10 | 5# tooth chair negative pressure signal input terminals | 25 | 14# tooth chair negative pressure signal input terminals |
11 | 4# tooth chair negative pressure signal input terminals | 26 | The public input terminal of signal wire |
12 | The public input terminal of signal wire | 27 | 15# tooth chair negative pressure signal input terminals |
13 | 3# tooth chair negative pressure signal input terminals | 28 | 16# tooth chair negative pressure signal input terminals |
14 | 2# tooth chair negative pressure signal input terminals | 29 | 17# tooth chair negative pressure signal input terminals |
15 | 1# tooth chair negative pressure signal input terminals | 30 | 18# tooth chair negative pressure signal input terminals |
As shown in Figure 6, it is preferred that the input module is connected to dentistry motorized pumping systems negative pressure start stop signal input X0
Connection type be passive switch output.
It is connected to the negative pressure start stop signal input X0 of dentistry motorized pumping systems, to realize dentistry motorized pumping systems
Start and stop.
As shown in Figure 7, it is preferred that state input module and be connected to dentistry motorized pumping systems negative pressure start stop signal input X0's
Connection type is wireless output.
The signal of circuit output is wirelessly sent, has the receiver of dentistry motorized pumping systems to carry out
It receives and executes, to realize the start and stop of dentistry motorized pumping systems.
As shown in Figure 8, it is preferred that state input module and be connected to dentistry motorized pumping systems negative pressure start stop signal input X0's
Connection type is the mode of communication.
By the negative pressure start stop signal input X0 concentrated collections processing of tooth chair, and the electronic pumping of dentistry is transferred to by communication mode
Desorption system has the logic functional element of dentistry motorized pumping systems to be analyzed and is executed.
Preferably, state input module be connected to dentistry motorized pumping systems negative pressure start stop signal input X0 connection type be
Passive switch exports or the mix and match of the wireless mode for exporting or communicating.
Tooth chair negative-pressure ward signal monitor provided by the utility model is described in detail above.Specific embodiment
Explanation be merely used to help understand the method and its core concept of the utility model.It should be pointed out that for the art
For those of ordinary skill, without departing from the principle of this utility model, several change can also be carried out to the utility model
Into and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (1)
1. tooth chair negative-pressure ward signal monitor includes the tooth chair and monitoring device of several parallel connections, it is characterised in that:The monitoring
Equipment includes the input module for acquiring tooth chair negative pressure start and stop input signal Y 0, single-chip microprocessor MCU, single-chip microcomputer extension module, electricity
Source module, the output module for acquiring tooth chair negative pressure start and stop output signal Y1;The power module is for providing power supply;It is described
Single-chip microcomputer extension module is malfunction coefficient template or the single-chip microcomputer extension module is sound-light alarm template or the microcontroller
Expansion module is malfunction coefficient template and sound-light alarm template;
The microcontroller is equipped with the duration T 0 for monitoring the negative pressure start and stop input signal Y 0 that tooth chair is sent out, the microcontroller
Equipped with the delay time T1 disconnected for controlling Y1 delays.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720058553.1U CN207654384U (en) | 2017-01-17 | 2017-01-17 | Tooth chair negative-pressure ward signal monitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720058553.1U CN207654384U (en) | 2017-01-17 | 2017-01-17 | Tooth chair negative-pressure ward signal monitor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207654384U true CN207654384U (en) | 2018-07-27 |
Family
ID=62935267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720058553.1U Active CN207654384U (en) | 2017-01-17 | 2017-01-17 | Tooth chair negative-pressure ward signal monitor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207654384U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107049696A (en) * | 2017-01-17 | 2017-08-18 | 山东润国机电设备股份有限公司 | Tooth chair negative-pressure ward signal monitor |
-
2017
- 2017-01-17 CN CN201720058553.1U patent/CN207654384U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107049696A (en) * | 2017-01-17 | 2017-08-18 | 山东润国机电设备股份有限公司 | Tooth chair negative-pressure ward signal monitor |
CN107049696B (en) * | 2017-01-17 | 2024-01-23 | 山东润国机电设备股份有限公司 | Negative pressure suction signal monitor for dental chair |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205485526U (en) | Two PLC redundant control of district pump station and information collection system | |
CN105971864B (en) | Pump group drive system | |
CN208934869U (en) | More program-controlled vacuum pump apparatus | |
CN104329734A (en) | Air treatment system | |
CN208205335U (en) | Device driver for wireless networking environmental control system | |
CN207654384U (en) | Tooth chair negative-pressure ward signal monitor | |
CN107049696B (en) | Negative pressure suction signal monitor for dental chair | |
CN103961789A (en) | Auxiliary healing treatment system based on central negative pressure | |
CN203042523U (en) | Medical negative-pressure suction machine | |
CN202620407U (en) | Air compression type atomizer capable of controlling treating time and operation state automatically | |
CN205369368U (en) | Energy -conserving formula secondary water supply equipment of single pump frequency conversion control | |
CN202951021U (en) | Breast pump with memorizing and learning functions | |
CN214065167U (en) | Built-in ultraviolet disinfection device of ventilation system | |
CN200994949Y (en) | Assembled portable wound therapeutic equipment with negative-pressure aid | |
CN105156314A (en) | Intelligent low-noise air compressor | |
CN208823078U (en) | Be recessed wall of the chest wireless remote control orthopedic appliance | |
CN106150995A (en) | A kind of pump control unit | |
CN113116575A (en) | Negative pressure suction device for dentistry | |
CN206035780U (en) | Intelligence pump control method | |
CN205792339U (en) | A kind of blower fan water pump motor energy saving control system of frequency conversion in use | |
CN201425357Y (en) | Temperature-controlled energy saver of single refrigeration air conditioning | |
CN102538145A (en) | Frost control device | |
CN205140873U (en) | Energy -conserving noise elimination circuit of ac contactor | |
CN105582603A (en) | Gas flow pressure sensor-based medical oxygen uptake device | |
CN211146819U (en) | Direct current variable frequency controller framework special for environment-friendly air conditioner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |