CN207817544U - Piano humidity managing device and system - Google Patents
Piano humidity managing device and system Download PDFInfo
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- CN207817544U CN207817544U CN201820315096.4U CN201820315096U CN207817544U CN 207817544 U CN207817544 U CN 207817544U CN 201820315096 U CN201820315096 U CN 201820315096U CN 207817544 U CN207817544 U CN 207817544U
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Abstract
It includes master control borad, dehumidification equipment, Temperature Humidity Sensor and communication equipment that the utility model, which provides a kind of piano humidity managing device and system, the piano humidity managing device,；Dehumidification equipment, Temperature Humidity Sensor and communication equipment are connect with master control borad respectively；Temperature Humidity Sensor is used to detect the data of the Temperature and Humidity module inside piano, and is sent to master control borad；Master control borad is used to receive data of the Temperature and Humidity module, and sends dehumidifying instruction to dehumidification equipment；Dehumidification equipment is for dehumidifying to piano after receiving dehumidifying instruction；Master control borad is connect by communication equipment with remote terminal.Piano humidity managing device and system provided by the utility model, piano can be made to be in controllable humidity environment, and also the communication connection of piano humidity managing device and remote terminal is realized by the way that communication equipment is arranged, to realize the real time monitoring to dehumidify to piano, the Experience Degree of user is improved.
Description
Technical field
The utility model is related to musical instrument technical fields, more particularly, to a kind of piano humidity managing device and system.
Background technology
Piano is a kind of keyboard instrument in western classical music, there is the laudatory title of " king of musical instrument ".Piano is mainly by wood
The materials such as head, metal, felt and leather are formed, these materials are all very easy to be damaged because of moist, such as make
It is not risen at key, material deformation, steel wire string is got rusty, hammer is moist, sound is stuffy, plays the problems such as losing feel etc..Especially
China southern area and Southeast Asia one with etc., weather humidity is higher very much, and high humidity environment can seriously affect piano
Tone color, the mechanical action situation of percussion system and fluency when playing, to affect the normal use of piano.
The modes such as generally use heating at present dehumidify to piano, however this mode user can not understand piano in time
Dehumidifying situation and humiture situation, user experience it is poor.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of piano humidity managing device and system, with realization pair
The real time monitoring of piano dehumidifying, improves the Experience Degree of user.
In a first aspect, the utility model embodiment provides a kind of piano humidity managing device, including master control borad, dehumidifying are set
Standby, Temperature Humidity Sensor and communication equipment；The dehumidification equipment, the Temperature Humidity Sensor and the communication equipment respectively with institute
State master control borad connection；
The Temperature Humidity Sensor is used to detect the data of the Temperature and Humidity module inside piano, and is sent to the master control borad；It is described
Master control borad is used to receive the data of the Temperature and Humidity module, and sends dehumidifying instruction to the dehumidification equipment；The dehumidification equipment is used for
It dehumidifies to the piano after receiving the dehumidifying instruction；
The master control borad is connect by the communication equipment with remote terminal.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the dehumidification equipment includes dehumidifier, dehumidification air conditioner or heating element.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein the dehumidifier includes water storehouse；The piano humidity managing device further includes that setting exists
Water level detecting device in the water storehouse, the water level detecting device are connect with the master control borad；
The water level detecting device detects the water level information in the water storehouse, and the water level information is sent to described
Master control borad.
Second of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein the water level detecting device includes water level sensor.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, the communication equipment includes one or more in WIFI module, GPRS module and wired network adapter.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, the piano humidity managing device further includes display equipment, and the display equipment is connect with the master control borad.
The 5th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, wherein the piano humidity managing device further includes input equipment, the input equipment with it is described
Master control borad connects.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, the piano humidity managing device further includes alarm, and the alarm is connect with the master control borad.
First party is provided in conjunction with above-mentioned first aspect or its any possible embodiment, the utility model embodiment
The 8th kind of possible embodiment in face, wherein the piano humidity managing device further includes electric atomizing equipment, described electronic
Spraying apparatus is connect with the master control borad.
Second aspect, the utility model embodiment also provide a kind of piano humidity management system, including such as above-mentioned first party
Piano humidity managing device described in face or its any possible embodiment, further includes remote terminal；
The piano humidity managing device is communicated to connect with the remote terminal.
The utility model embodiment brings following advantageous effect：
In the utility model embodiment, piano humidity managing device include master control borad, dehumidification equipment, Temperature Humidity Sensor and
Communication equipment；Dehumidification equipment, Temperature Humidity Sensor and communication equipment are connect with master control borad respectively；Temperature Humidity Sensor is for detecting
Data of the Temperature and Humidity module inside piano, and it is sent to master control borad；Master control borad is for receiving data of the Temperature and Humidity module, and transmission dehumidifying instruction
To dehumidification equipment；Dehumidification equipment is for dehumidifying to piano after receiving dehumidifying instruction；Master control borad is by communication equipment and far
Journey terminal connects.Piano humidity managing device and system provided in this embodiment can make piano be in controllable humidity environment,
And the communication connection of piano humidity managing device and remote terminal also is realized by the way that communication equipment is arranged, user can pass through
Remote terminal checks the dehumidifying situation and humiture situation of piano at any time, it is achieved that the real time monitoring of piano dehumidifying, carries
The high Experience Degree of user.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram for piano humidity managing device that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for another piano humidity managing device that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram that a kind of piano humidity that the utility model embodiment provides manages system.
Icon：
101- master control borads；102- dehumidification equipments；103- Temperature Humidity Sensors；104- communication equipments；201- dehumidifiers；202-
Water level detecting device；203- shows equipment；204- input equipments；205- alarms；206- electric atomizing equipment；207- power supply moulds
Block；31- piano humidity managing devices；32- remote terminals.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
The modes such as generally use heating at present dehumidify to piano, however this mode user can not understand piano in time
Dehumidifying situation and humiture situation, user experience it is poor.Based on this, a kind of piano humidity of the utility model embodiment offer
The real time monitoring to dehumidify to piano may be implemented in managing device and system, improves the Experience Degree of user.
For ease of understanding the present embodiment, first to a kind of piano humidity pipe disclosed in the utility model embodiment
Reason device describes in detail.
Embodiment one：
Fig. 1 is a kind of structural schematic diagram for piano humidity managing device that the utility model embodiment provides, such as Fig. 1 institutes
Show, which includes master control borad 101, dehumidification equipment 102, Temperature Humidity Sensor 103 and communication equipment 104；
Dehumidification equipment 102, Temperature Humidity Sensor 103 and communication equipment 104 are connect with master control borad 101 respectively.
Specifically, Temperature Humidity Sensor 103 can be arranged inside piano, the humiture for detecting piano internal environment
Data, and it is sent to master control borad 101.
Master control borad 101 can be MCU (Microcontroller Unit, micro-control unit), be passed for receiving humiture
The data of the Temperature and Humidity module that sensor 103 is sent, and dehumidifying instruction is sent to dehumidification equipment 102.Specifically, storage in master control borad 101
There are preset dehumidifying instruction and the correspondence of data of the Temperature and Humidity module, master control borad 101 is according to the dehumidifying instruction and data of the Temperature and Humidity module
Correspondence is searched dehumidifying corresponding with the data of the Temperature and Humidity module received and is instructed, and the dehumidifying found instruction is sent to dehumidifying
Equipment 102.Such as when humidity reaches 70%RH, master control borad 101 sends dehumidifying instruction, is removed with opening dehumidification equipment 102
It is wet；When humidity reaches 60%RH, master control borad 101 sends halt instruction, so that dehumidification equipment 102 is stopped.
Specifically, dehumidification equipment 102 includes dehumidifier, dehumidification air conditioner or heating element etc., wherein heating element can be
Heater strip or heating rod etc..Dehumidification equipment 102 removes piano after being used to receive the dehumidifying instruction that master control borad 101 is sent
It is wet.For different types of piano and its environment, piano can be allowed not make moist in controlled range in this way so that piano is always
In preferable controlled humidity environment, to make piano keep best sound and play state.
Communication equipment 104 includes WIFI (WIreless-Fidelity, Wireless Fidelity) module, GPRS (General
Packet Radio Service, general packet radio service technology) it is one or more in module and wired network adapter.Communication is set
Standby 104 can be connected with master control borad 101 by TTL (Transistor-Transistor Logic, logic gates) serial ports,
It can also be connected by other interfaces.Communication equipment 104 coordinates main master control borad 101 that can realize the communication with remote server, allows
The data of dehumidification equipment 102 are synchronous with remote server or execute remote command, and then pass through remote terminal and remote server
Communication, the communication connection of piano humidity managing device and remote terminal may be implemented.
For example, master control borad 101 is also connect by communication equipment 104 with remote terminal, master control borad 101 can be by dehumidification equipment
102 service condition (including operating status), the humiture situation (data of the Temperature and Humidity module) of piano and other relevant informations etc. are led to
It crosses communication equipment 104 and is transferred to remote terminal via remote server.
When user uses the piano humidity managing device for the first time, remote terminal is opened, is completed according to the prompt of remote terminal
Binding, you can pass through the operating condition of the remote terminal real time inspection dehumidification equipment 102, humiture information (data of the Temperature and Humidity module)
Deng.Combine Internet technology, user that can check the dehumidifying situation and humiture situation of piano at any time by remote terminal in this way
It is more satisfactory using piano Deng, user, it is achieved that the real time monitoring of piano dehumidifying, improve the Experience Degree of user.
In the utility model embodiment, piano humidity managing device include master control borad, dehumidification equipment, Temperature Humidity Sensor and
Communication equipment；Dehumidification equipment, Temperature Humidity Sensor and communication equipment are connect with master control borad respectively；Temperature Humidity Sensor is for detecting
Data of the Temperature and Humidity module inside piano, and it is sent to master control borad；Master control borad is for receiving data of the Temperature and Humidity module, and transmission dehumidifying instruction
To dehumidification equipment；Dehumidification equipment is for dehumidifying to piano after receiving dehumidifying instruction；Master control borad is by communication equipment and far
Journey terminal connects.Piano humidity managing device provided in this embodiment can make piano be in controllable humidity environment, and also
The communication connection of piano humidity managing device and remote terminal is realized by the way that communication equipment is arranged, user can be by long-range whole
The dehumidifying situation and humiture situation of piano are checked in end at any time, it is achieved that the real time monitoring of piano dehumidifying, improve use
The Experience Degree at family.
Fig. 2 is the structural schematic diagram for another piano humidity managing device that the utility model embodiment provides, such as Fig. 2 institutes
Show, on the basis of Fig. 1, the dehumidification equipment 102 in Fig. 1 uses dehumidifier 201.Moisture usually is become condensing by dehumidifier 201
Water is stored in water storehouse.
The water storage situation in water storehouse is understood for the ease of user, as shown in Fig. 2, above-mentioned piano humidity managing device is also wrapped
The water level detecting device 202 being arranged in water storehouse is included, water level detecting device 202 is connect with master control borad 101.Water level detecting device
Water level information in 202 detection water storehouses, and the water level information is sent to master control borad 101.User can be by remote in this way
Journey terminal monitors the water storage situation in the water storehouse of dehumidifier 201 in real time.
In some possible embodiments, water level detecting device 202 includes water level sensor.
As shown in Fig. 2, above-mentioned piano humidity managing device further includes display equipment 203, equipment 203 and master control borad are shown
101 connections.Display equipment 203 can be, but not limited to as liquid crystal display.The information of the processing of master control borad 101 can be in display equipment
It is shown in 203, for example, display equipment 203 shows the humiture information (data of the Temperature and Humidity module) of the reception of master control borad 101, water level information
And the running state information etc. of dehumidifier 201.User can be by showing that equipment 203 easily check current warm and humid of piano
Spend information, dehumidifier 201 water storehouse water level information and dehumidifier 201 running state information etc..
As shown in Fig. 2, above-mentioned piano humidity managing device further includes input equipment 204, input equipment 204 and master control borad
101 connections.Input equipment 204 can be input button, the touch screen that can also be integrated with above-mentioned display equipment 203.Input
Command information input by user can be transferred to master control borad 101 by equipment 204, for example, user is by input equipment 204
System parameter reset, Query Information etc..Wherein, systematic parameter reset refers to factory reset, such as restores WIFI passwords；Inquiry
Information includes humiture information, the running state information etc. of water level information, dehumidifier 201.
As shown in Fig. 2, above-mentioned piano humidity managing device further includes alarm 205, alarm 205 connects with master control borad 101
It connects.Alarm 205 can be, but not limited to as audible-visual annunciator.Water-level alarm value, temperature can be arranged by input equipment 204 in user
Humidity alarm value etc., when there is following situations, master control borad 101 can be alarmed by alarm 205：Dehumidifier 201
The water level of water storehouse reaches preset water-level alarm value；Humiture inside piano reaches preset humiture alarming value；Piano
There are failures etc. for moisture management device.For example, when the connection of master control borad 101 and other devices is there are when communication failure, master control borad
101 control alarms 205 carry out alarm；When the water level in water storehouse is excessively high, master control borad 101 control alarm 205 into
Row alarm finds that water expires situation convenient for user in this way, and empties water storehouse in time in time.
In addition, above-mentioned display equipment 203 can also show that water expires warning message, high temperature and humidity warning message etc..Master control borad
101 can also send warning message to remote terminal by communication equipment 104 or dial the police emergency number, for example, to long-range end
The monitoring software at end sends warning message, or notifies user with short message and/or liaison mode.
Furthermore, it is contemplated that if piano is chronically under dry environment, it may appear that the problems such as sound is hot-tempered, come unglued, soundboard is impaired,
Piano not only cisco unity malfunction in this way, can also shorten the service life of piano, as shown in Fig. 2, above-mentioned piano humidity management fills
It further includes electric atomizing equipment 206 to set, and electric atomizing equipment 206 is connect with master control borad 101.Master control borad 101 is additionally operable to when reception
Data of the Temperature and Humidity module be less than preset humidification threshold value when, to electric atomizing equipment 206 send humidification instruct, to start electric atomizing
Equipment 206 is humidified.The humidification threshold value can be arranged by input equipment 204.Such as humidification threshold value is set as 30%RH, when
When humidity is less than 30%RH, master control borad 101 sends humidification instruction, is humidified with opening electric atomizing equipment 206；When humidity is big
Master control borad 101, which is sent, when 50%RH stops humidification instruction, so that electric atomizing equipment 206 is stopped.It in this way can be by steel
The environmental Kuznets Curves of qin make piano remain best sound and play state in rational humidity range.
As shown in Fig. 2, the piano humidity managing device that the utility model embodiment provides further includes power module 207, electricity
Source module 207 is used for be other with electrical component (such as master control borad 101, dehumidifier 201, communication equipment 104, display equipment 203
Deng) power supply is provided.
There are two types of implementation methods for above-mentioned power module 207：(1) power module 207 is direct current of voltage regulation source module, defeated
Enter for the output of external dc electricity source adapter, exported by the decompression of the direct current of voltage regulation source module, voltage stabilizing, is other electricity consumptions
Component is powered；(2) input of the power module 207 is alternating current, and by circuits such as rectification, filtering, isolation, decompressions, output is steady
Straightening galvanic electricity is powered to be other with electrical component.
Embodiment two：
Fig. 3 is the structural schematic diagram that a kind of piano humidity that the utility model embodiment provides manages system, such as Fig. 3 institutes
Show, piano humidity management system includes the piano humidity managing device 31 such as above-described embodiment one, further includes remote terminal 32；
Piano humidity managing device 31 is communicated to connect with remote terminal 32.
Specifically, piano humidity managing device 31 is communicated to connect by remote server and remote terminal 32, remote terminal
32 can be, but not limited to as networked terminals such as mobile phone, tablet computer, PC (personal computer) machines.
In the utility model embodiment, piano humidity managing device include master control borad, dehumidification equipment, Temperature Humidity Sensor and
Communication equipment；Dehumidification equipment, Temperature Humidity Sensor and communication equipment are connect with master control borad respectively；Temperature Humidity Sensor is for detecting
Data of the Temperature and Humidity module inside piano, and it is sent to master control borad；Master control borad is for receiving data of the Temperature and Humidity module, and transmission dehumidifying instruction
To dehumidification equipment；Dehumidification equipment is for dehumidifying to piano after receiving dehumidifying instruction；Master control borad is by communication equipment and far
Journey terminal connects.Piano humidity provided in this embodiment including piano humidity managing device manages system, can make at piano
In controllable humidity environment, and also the communication of piano humidity managing device and remote terminal is realized by the way that communication equipment is arranged
Connection, user can check the dehumidifying situation and humiture situation of piano at any time by remote terminal, it is achieved that piano
The real time monitoring of dehumidifying improves the Experience Degree of user.
It is apparent to those skilled in the art that for convenience and simplicity of description, the piano of foregoing description
The specific work process of moisture management system can refer to the corresponding process in aforementioned piano humidity managing device embodiment,
This is repeated no more.
The piano humidity that the utility model embodiment provides manages system, the piano humidity management provided with above-described embodiment
Device technical characteristic having the same reaches identical technique effect so can also solve identical technical problem.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In several embodiments provided herein, it should be understood that disclosed system, device can pass through it
Its mode is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, in another example, multiple units or component can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be by some communication interfaces, the INDIRECT COUPLING of device or unit or
Communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit,
Can be that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of piano humidity managing device, which is characterized in that including master control borad, dehumidification equipment, Temperature Humidity Sensor and communication
Equipment；The dehumidification equipment, the Temperature Humidity Sensor and the communication equipment are connect with the master control borad respectively；
The Temperature Humidity Sensor is used to detect the data of the Temperature and Humidity module inside piano, and is sent to the master control borad；The master control
Plate is used to receive the data of the Temperature and Humidity module, and sends dehumidifying instruction to the dehumidification equipment；The dehumidification equipment is for receiving
It dehumidifies to the piano after being instructed to the dehumidifying；
The master control borad is connect by the communication equipment with remote terminal.
2. piano humidity managing device according to claim 1, which is characterized in that the dehumidification equipment include dehumidifier,
Dehumidification air conditioner or heating element.
3. piano humidity managing device according to claim 2, which is characterized in that the dehumidifier includes water storehouse；Institute
It further includes the water level detecting device being arranged in the water storehouse, the water level detecting device and institute to state piano humidity managing device
State master control borad connection；
The water level detecting device detects the water level information in the water storehouse, and the water level information is sent to the master control
Plate.
4. piano humidity managing device according to claim 3, which is characterized in that the water level detecting device includes water level
Sensor.
5. piano humidity managing device according to claim 1, which is characterized in that the communication equipment includes WIFI moulds
It is one or more in block, GPRS module and wired network adapter.
6. piano humidity managing device according to claim 1, which is characterized in that the piano humidity managing device is also wrapped
Display equipment is included, the display equipment is connect with the master control borad.
7. piano humidity managing device according to claim 6, which is characterized in that the piano humidity managing device is also wrapped
Input equipment is included, the input equipment is connect with the master control borad.
8. piano humidity managing device according to claim 1, which is characterized in that the piano humidity managing device is also wrapped
Alarm is included, the alarm is connect with the master control borad.
9. the piano humidity managing device according to any one of claim 1-8, which is characterized in that the piano humidity pipe
It further includes electric atomizing equipment to manage device, and the electric atomizing equipment is connect with the master control borad.
10. a kind of piano humidity manages system, which is characterized in that include the steel as described in any one of the claims 1-9
Qin moisture management device, further includes remote terminal；
The piano humidity managing device is communicated to connect with the remote terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820315096.4U CN207817544U (en) | 2018-03-07 | 2018-03-07 | Piano humidity managing device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820315096.4U CN207817544U (en) | 2018-03-07 | 2018-03-07 | Piano humidity managing device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207817544U true CN207817544U (en) | 2018-09-04 |
Family
ID=63320608
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820315096.4U Active CN207817544U (en) | 2018-03-07 | 2018-03-07 | Piano humidity managing device and system |
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| CN (1) | CN207817544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530388A (en) * | 2020-10-21 | 2021-03-19 | 兰州城市学院 | A dampproofing system of dehumidifying for piano |
-
2018
- 2018-03-07 CN CN201820315096.4U patent/CN207817544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530388A (en) * | 2020-10-21 | 2021-03-19 | 兰州城市学院 | A dampproofing system of dehumidifying for piano |
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