CN208765294U - Respirator and solar thermal collector - Google Patents
Respirator and solar thermal collector Download PDFInfo
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- CN208765294U CN208765294U CN201821039040.7U CN201821039040U CN208765294U CN 208765294 U CN208765294 U CN 208765294U CN 201821039040 U CN201821039040 U CN 201821039040U CN 208765294 U CN208765294 U CN 208765294U
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- ventilative
- solar thermal
- hole
- thermal collector
- closed guard
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model relates to a kind of respirator and solar thermal collectors.The respirator includes air-permeable elastic plug, the air-permeable elastic plug is used to be mounted on the ventilative through hole of solar thermal collector, the air-permeable elastic plug includes the assembled side panel in hollow cylindrical configuration and the closed guard inside the assembled side panel, the closed guard is equipped with ventilative secant for closing the ventilative through hole, the closed guard.The respirator and solar thermal collector, it effectively can both play the role of Self-breathing, balance pressure, it is ensured that solar heat collector cases are not damaged, and play the function of insulating synergistic, Moistureproof dehumidification, the heat absorption efficiency for improving solar thermal collector, increases the service life of solar thermal collector.
Description
Technical field
The utility model relates to panel solar photothermal technique fields, more particularly to a kind of respirator and solar energy heating
Device.
Background technique
Solar thermal collector is a kind of equipment that the radiation energy of the sun is converted to thermal energy.Solar thermal collector is transported in system
During row, inner cavity and external environment can generate the biggish temperature difference, are easy to appear case body temperature and constantly increase pressure increase,
Or the raw negative pressure of temperature too low yield brings product quality and safety problem the phenomenon that even destruction so as to cause box deformation.Generally
, the method that ventilative through hole is made on solar thermal collector is usually taken, with the pressure inside and outside balance box.However, simple
The method that ground makes ventilative through hole on solar thermal collector, although box deformation problem is avoided, in solar thermal collector
When not needing ventilation, on the one hand, will lead to the loss of heat in solar heat collector cases；On the other hand, ventilative through hole can make
Air forms convection current for a long time, dust and wet gas is continuously brought into inside solar heat collector cases, especially
A large amount of moisture can be sucked in moist rainy weather, condense into large stretch of aerosol and water mark, to influence the heat absorption of solar thermal collector
Efficiency, or even heat-absorbing body coating is destroyed, reduce the service life of heat collector.
Traditional, by the way of filling inert gas in cabinet and installing moisture wicking material additional, or directly ventilative logical
The methods of the material for installing filtering moisture at hole additional, so that box deformation can either be controlled by reaching, and can prevent the moisture absorption in cabinet
Way.But using the above method, reliability, practicability and economy are not ideal.
Utility model content
Based on this, first technical problem that the utility model is solved is to provide for a kind of respirator, can be effectively
Both Self-breathing, balance pressure had been played the role of, it is ensured that solar heat collector cases are not damaged, and play insulating synergistic, prevent
The function of tide dehumidifying, improves the heat absorption efficiency of solar thermal collector, increases the service life of solar thermal collector.
Second technical problem that the utility model is solved is to provide for a kind of and solar thermal collector, can be effectively
Both having played the role of Self-breathing, balance pressure, it is ensured that cabinet is not damaged, and plays the function of insulating synergistic, Moistureproof dehumidification,
Heat absorption efficiency is improved, service life is increased.
Above-mentioned first technical problem is solved by the following technical programs:
A kind of respirator, including air-permeable elastic plug, the air-permeable elastic plug are used to be mounted on the ventilative of solar thermal collector
On through-hole, the air-permeable elastic plug includes the assembled side panel in hollow cylindrical configuration and the envelope inside the assembled side panel
Baffle is closed, the closed guard is equipped with ventilative secant for closing the ventilative through hole, the closed guard.
Respirator described in the utility model, it is generated the utility model has the advantages that air-permeable elastic plug is used for compared with the background art
It is mounted in the ventilative through hole of solar thermal collector, assembled side panel may be mounted at ventilative through hole, by inside assembled side panel
Closed guard is set, and is cut with ventilative secant on closed guard, ventilative secant can be divided into closed guard " wicket " to tie
Structure, on the one hand, all can be by external force at secant of breathing freely when generating positive/negative pressure because of temperature change inside solar heat collector cases
Automatically carry out release is outwardly opened or is inwardly opened, play the role of Self-breathing, balance pressure, so that it is guaranteed that solar energy heating
Device cabinet is not damaged；On the other hand, after pressure excludes in solar heat collector cases, " wicket " at secant of breathing freely will
It is restored to original position using the elasticity of itself, ventilative through hole is closed, to reduce the heat waste in solar heat collector cases
With the time for reflux of getting damp, the immersion of aqueous vapor is reduced, plays the function of insulating synergistic, Moistureproof dehumidification, to improve solar energy collection
The heat absorption efficiency of hot device increases the service life of solar thermal collector.
The respirator further includes sealing ring in one of the embodiments, and the sealing ring is for being mounted on solar energy
In the ventilative through hole of heat collector, the sealing ring has assembly through-hole, and the assembled side panel is installed in the assembly through-hole.Such as
This setting, air-permeable elastic plug can be mounted in the ventilative through hole of solar thermal collector by sealing ring, when air-permeable elastic plug is installed
It is directly plugged into the assembly through-hole of sealing ring, it is easy for installation, and air-permeable elastic plug can be disassembled from sealing ring as needed,
When encountering long-term rainy weather, when having serious dampness phenomenon in solar heat collector cases, elastic rubber plug can be extracted, is convenient for
The intracorporal moisture of case and moisture content are quickly removed under sunlight.Optionally, the sealing ring is rubber seal, and sealing effect is good, raw
It produces at low cost.
The ventilative secant includes at least two straight line secants, at least two straight line secants in one of the embodiments,
It is arranged in a crossed manner in same point of intersection, and the same intersection point is located at the middle part of the closed guard.So set, at least two straight lines
Secant can be divided into closed guard several fans " wicket ", because temperature change generates positive/negative pressure inside heat collector cases
When, wicket can inwardly or outwardly be opened automatically according to stress condition, and open corresponding amplitude and carry out release, the i.e. direction of pressure release
It can freely be converted by stress condition with speed, pressure release is flexibly, reliably.
The ventilative secant includes two straight line secants in one of the embodiments, and two straight line secants are handed in cross
Fork setting, and the intersection point of two straight line secants is located at the middle part of the closed guard.So set, at least two straight line secant energy
Enough that closed guard is divided into four fans " wicket ", closed guard structure is simple, and pressure release is flexibly, reliably.
The middle part of the axial direction of the assembled side panel is arranged in the closed guard in one of the embodiments,.Such as
This setting, on the one hand, when closed guard is in natural enclosing state, without enough pressure and angle, rainwater will not be poured
Inside solar heat collector cases, rain-proof waterproof action can be played；On the other hand, because temperature change produces inside heat collector cases
When raw positive/negative pressure, when closed guard stress, is more uniformly stressed.
Direction along the outside by ventilative through hole inwardly in one of the embodiments, the thickness of the closed guard
It spends gradually thinning.So set, the structure of closed guard is mapped with stress size, when stress is big, closed guard by
Amplitude when power automatically opens also can be bigger, and when stress is small, amplitude when closed guard is opened also can be small, and then realizes quick
The function of pressure release, flexible pressure release.
The outer wall of one end of the assembled side panel is equipped with defining flange in one of the embodiments,.So set, bullet
Property porous plug when being assembled by assembled side panel and sealing ring, limit positioning can be carried out by defining flange, defining flange is located at too
To when setting sealing ring on the outside of positive energy heat collector cases, air-permeable elastic plug is installed in place, and air-permeable elastic plug is easy to assembly.
The outer wall of the sealing ring is equipped with for the ventilative through hole with solar thermal collector in one of the embodiments,
Matched annular slot, the sealing ring are used to be mounted on solar thermal collector at ventilative through hole by the annular slot
On frame.So set, sealing ring can be fixed on the frame of solar thermal collector using annular slot, install very convenient.
The air-permeable elastic plug is rubber stopper or silica gel plug in one of the embodiments,.So set, silica gel plug and rubber
Rubber plug has preferable elasticity and flexibility, can automatically open at ventilative secant when by external force, and works as no external force
When, and original position can be restored to using itself elasticity, consequently facilitating realize closed guard 120 both can Self-breathing, balance pressure,
And the function of energy insulating synergistic, Moistureproof dehumidification.
Above-mentioned second technical problem is solved by the following technical programs:
A kind of solar thermal collector, including solar thermal collector ontology and respirator as described above, the solar energy
Heat collector ontology is equipped with ventilative through hole, and the respirator is mounted at the ventilative through hole.
Solar thermal collector described in the utility model, it is generated the utility model has the advantages that the solar energy compared with the background art
Heat collector includes above-mentioned solar thermal collector, has the technical effect of above-mentioned solar thermal collector, on the one hand, when solar energy collection
When hot device body interior generates positive/negative pressure because of temperature change, it can all be outwardly opened automatically by external force at ventilative secant or inwardly be beaten
It drives row release into, plays the role of Self-breathing, balance pressure, so that it is guaranteed that the cabinet of solar thermal collector ontology is not damaged
It is bad；On the other hand, after pressure excludes in solar heat collector cases, " wicket " at secant of breathing freely will utilize the bullet of itself
Property be restored to original position, ventilative through hole is closed, to reduce heat waste in solar heat collector cases and reflux of getting damp
Time reduces the immersion of aqueous vapor, plays the function of insulating synergistic, Moistureproof dehumidification, to improve heat absorption efficiency, increases and uses the longevity
Life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of respirator described in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of air-permeable elastic plug described in another embodiment of the utility model；
Fig. 3 is the schematic cross-section of air-permeable elastic plug described in another embodiment of the utility model；
Fig. 4 is the main view of air-permeable elastic plug described in another embodiment of the utility model；
Fig. 5 is the sectional view of sealing ring described in another embodiment of the utility model；
Fig. 6 is the main view of air-permeable elastic plug described in another embodiment of the utility model.
Description of symbols:
100, air-permeable elastic plug, 110, assembled side panel, 120, closed guard, 122, ventilative secant, 130, defining flange,
200, sealing ring, 210, assembly through-hole, 220, annular slot, 10, frame, 12, ventilative through hole.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.Term as used herein " first ", " second "
It is used to distinguish object Deng herein, but these objects should not be limited by these terms.
As shown in Figure 1, Figure 2, Figure 3 shows, an embodiment provides a kind of respirator, including air-permeable elastic plug 100, and the elasticity is thoroughly
Vent plug 100 is used to be mounted on the ventilative through hole 12 of solar thermal collector.The air-permeable elastic plug 100 includes in hollow tube-shape knot
The assembled side panel 110 of structure and the closed guard 120 inside the assembled side panel 110.The closed guard 120 is for sealing
Close the ventilative through hole 12.The closed guard 120 is equipped with ventilative secant 122.
Respirator described in the utility model, it is generated compared with the background art the utility model has the advantages that air-permeable elastic plug 100 is used
In in the ventilative through hole 12 for being mounted on solar thermal collector, assembled side panel 110 be may be mounted at 12 bore edges of ventilative through hole, be passed through
Closed guard 120 is set inside assembled side panel 110, and is cut with ventilative secant 122 on closed guard 120, secant of breathing freely
122 can be divided into closed guard 120 " wicket " structure, on the one hand, because temperature change produces inside solar heat collector cases
When raw positive/negative pressure, all it can be outwardly opened automatically by external force at ventilative secant 122 or inwardly open carry out release, played automatic
Breathing, the effect of balance pressure, so that it is guaranteed that solar heat collector cases are not damaged；On the other hand, work as solar thermal collector
After pressure excludes in cabinet, " wicket " at ventilative secant 122 will be restored to original position using the elasticity of itself, ventilative through hole
12 are closed, to reduce the time of the heat waste in solar heat collector cases and reflux of getting damp, reduce the immersion of aqueous vapor, rise
To insulating synergistic, the function of Moistureproof dehumidification, to improve the heat absorption efficiency of solar thermal collector, increase making for solar thermal collector
Use the service life.
Further, as shown in Fig. 1, Fig. 5, Fig. 6, the respirator further includes sealing ring 200.The sealing ring 200 is used
In in the ventilative through hole 12 for being mounted on solar thermal collector, the sealing ring 200 has assembly through-hole 210, the assembled side panel
110 are installed in the assembly through-hole 210.So set, air-permeable elastic plug 100 can be mounted on solar energy by sealing ring 200
In the ventilative through hole 12 of heat collector, air-permeable elastic plug 100 is directly plugged into the assembly through-hole 210 of sealing ring 200 when installing, and is pacified
Dress is convenient, and air-permeable elastic plug 100 can be disassembled from sealing ring 200 as needed, when encountering long-term rainy weather, too
When having serious dampness phenomenon in positive energy heat collector cases, elastic rubber plug can be extracted, convenient for quickly removing in cabinet in the sun
Moisture and moisture content.Optionally, the sealing ring 200 is rubber seal, and sealing effect is good, and production cost is low.
Specifically, the item number of secant 122, the shape of breathing freely can be specifically arranged according to actual needs, such as can be set into " ten ",
The shapes such as " * " word.The ventilative secant 122 includes at least two straight line secants in one of the embodiments, and at least two straight
Line secant is arranged in a crossed manner in same point of intersection, and the same intersection point is located at the middle part of the closed guard 120.So set, extremely
Few two straight line secants can be divided into closed guard 120 several fans " wicket ", because of temperature change inside heat collector cases
When generating positive/negative pressure, wicket can inwardly or outwardly be opened automatically according to stress condition, and open corresponding amplitude and carry out release,
That is the direction of pressure release and speed can freely be converted by stress condition, and pressure release is flexibly, reliably.In wherein another embodiment,
As shown in Figure 2, Figure 4 shows, the ventilative secant 122 includes two straight line secants, and two straight line secants are arranged in right-angled intersection, and two
The intersection point of straight line secant is located at the middle part of the closed guard 120.So set, at least two straight line secants can be closing
Baffle 120 is divided into four fans " wicket ", and 120 structure of closed guard is simple, and pressure release is flexibly, reliably.
Further, the middle part of the axial direction of the assembled side panel 110 is arranged in the closed guard 120.So set
It sets, on the one hand, when closed guard 120 is in natural enclosing state, without enough pressure and angle, rainwater will not be poured too
Inside positive energy heat collector cases, rain-proof waterproof action can be played；On the other hand, because temperature change generates inside heat collector cases
When positive/negative pressure, when 120 stress of closed guard, is more uniformly stressed.
In the present embodiment, it can determine that closed guard 120 exists by thickness, shape and the material etc. of control closed guard 120
The size of the opening force of " wicket " at ventilative secant 122, is easy to implement the functions such as quick pressure releasing, flexible pressure release.Wherein one
In a embodiment, as shown in Figure 1, Figure 3, along the direction of the outside by ventilative through hole 12 inwardly, the closed guard 120
Thickness it is gradually thinning.So set, the structure of closed guard 120 is mapped with stress size, when stress is big, closing
Amplitude when 120 stress of baffle automatically opens also can be bigger, and when stress is small, amplitude when closed guard 120 is opened also can be small,
And then realize quick pressure releasing, the function of flexible pressure release.
Further, the outer wall of one end of the assembled side panel 110 is equipped with defining flange 130.So set, elasticity is thoroughly
When vent plug 100 is assembled by assembled side panel 110 and sealing ring 200, limit positioning, limit convex can be carried out by defining flange 130
Edge 130 is located on the outside of solar heat collector cases to when setting sealing ring 200, and air-permeable elastic plug 100 is installed in place, air-permeable elastic plug
100 is easy to assembly.
Further, as shown in Figure 1, shown in Figure 5, the outer wall of the sealing ring 200 be equipped with for solar thermal collector
The matched annular slot 220 of ventilative through hole 12.The sealing ring 200 is used to be mounted on solar energy by the annular slot 220
Heat collector is on the frame 10 at ventilative through hole 12.So set, sealing ring 200 can be fixed on the sun using annular slot 220
On the frame 10 of energy heat collector, install very convenient.
Optionally, the air-permeable elastic plug 100 is rubber stopper or silica gel plug.So set, silica gel plug and rubber stopper have
Preferable elasticity and flexibility, can automatically open when by external force at ventilative secant 122, and when there is no external force, again
Original position can be restored to using itself elasticity, consequently facilitating realize closed guard 120 not only can Self-breathing, balance pressure, but also energy
The function of insulating synergistic, Moistureproof dehumidification.Optionally, the air-permeable elastic plug 100 is EPDN, i.e. ethylene-propylene diene copolymer, resistance to ag(e)ing
Energy is good, resistance to weather is good, impact elasticity is preferable.Optionally, the air-permeable elastic plug 100 is an integral molding structure, easily manufactured,
Cost is relatively low.
Respirator described in the present embodiment, closed guard 120 are in closed state at ventilative secant 122 naturally, only
When having the generation pressure in solar heat collector cases, " wicket " on closed guard 120 could be pushed, effectively discharge collects in time
Positive and negative pressure inside hot device cabinet, is automatically closed again after pressure venting, has blocked the immersion of wet gas in time, greatly
Reduce cabinet inside thermal conservation material to get damp the time and condition of (the wet equilibrium appearance with outside), to play the raising thermal efficiency
With the effect of protection solar thermal collector heat absorbing coating.The respirator had not only protected the safety of solar heat collector cases, but also
The intracorporal temperature of case is saved to the maximum extent, improves the thermal efficiency of solar thermal collector, and structure is simple, and processing performance is excellent
More, performance safety is reliable, convenient and practical, and production cost is low, and cost performance is high, and economic benefit is obvious, can be with general solar energy collection
Hot device matches, and is fabricated to closed breathing pattern solar thermal collector.In addition, the respirator of the present embodiment also can be used in other
Not only needed Self-breathing, balance pressure, but also need insulating synergistic, Moistureproof dehumidification equipment or occasion in.
As shown in Figure 1, another embodiment also provides a kind of solar thermal collector, including solar thermal collector ontology and such as
The upper respirator, the solar thermal collector ontology are equipped with ventilative through hole 12, and the respirator is mounted on described ventilative
At through-hole 12.In the present embodiment, the solar thermal collector can be flat type solar heat collector.
Solar thermal collector described in the utility model, it is generated the utility model has the advantages that the solar energy compared with the background art
Heat collector includes above-mentioned solar thermal collector, has the technical effect of above-mentioned solar thermal collector, on the one hand, when solar energy collection
When hot device body interior generates positive/negative pressure because of temperature change, can all be outwardly opened automatically by external force at ventilative secant 122 or to
Interior opening carries out release, plays the role of Self-breathing, balance pressure, so that it is guaranteed that the cabinet of solar thermal collector ontology not by
Damage；On the other hand, after pressure excludes in solar heat collector cases, " wicket " at secant 122 of breathing freely will be using certainly
The elasticity of body is restored to original position, and ventilative through hole 12 is closed, to reduce the heat waste in solar heat collector cases and return
The time of tide reflux, the immersion of aqueous vapor is reduced, the function of insulating synergistic, Moistureproof dehumidification is played, to improve heat absorption efficiency, increased
Service life.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of respirator, which is characterized in that including air-permeable elastic plug (100), the air-permeable elastic plug (100) is for being mounted on
In the ventilative through hole (12) of solar thermal collector, the air-permeable elastic plug (100) includes the assembled side panel in hollow cylindrical configuration
(110) and it is set to the assembled side panel (110) internal closed guard (120), the closed guard (120) is for closing institute
It states ventilative through hole (12), the closed guard (120) is equipped with ventilative secant (122).
2. respirator according to claim 1, which is characterized in that it further include sealing ring (200), the sealing ring (200)
For being mounted on the ventilative through hole (12) of solar thermal collector, the sealing ring (200) has assembly through-hole (210), described
Assembled side panel (110) is installed in the assembly through-hole (210).
3. respirator according to claim 2, which is characterized in that the ventilative secant (122) includes at least two straight lines
Secant, at least two straight line secants are arranged in a crossed manner in same point of intersection, and the same intersection point is located at the closed guard (120)
Middle part.
4. respirator according to claim 2, which is characterized in that the ventilative secant (122) includes two straight line secants,
Two straight line secants are arranged in right-angled intersection, and the intersection point of two straight line secants is located at the middle part of the closed guard (120).
5. respirator according to any one of claims 1 to 4, which is characterized in that the closed guard (120) is arranged in institute
State the middle part of the axial direction of assembled side panel (110).
6. respirator according to claim 5, which is characterized in that along the side of the outside by ventilative through hole (12) inwardly
To the thickness of the closed guard (120) is gradually thinning.
7. respirator according to any one of claims 1 to 4, which is characterized in that one end of the assembled side panel (110)
Outer wall is equipped with defining flange (130).
8. according to the described in any item respirators of claim 2~4, which is characterized in that set on the outer wall of the sealing ring (200)
Have for ventilative through hole (12) matched annular slot (220) with solar thermal collector, the sealing ring (200) is for passing through
The annular slot (220) is mounted on solar thermal collector on the frame (10) at ventilative through hole (12).
9. respirator according to any one of claims 1 to 4, which is characterized in that the air-permeable elastic plug (100) is rubber
Plug or silica gel plug.
10. a kind of solar thermal collector, which is characterized in that including solar thermal collector ontology and as claim 1~9 is any
Respirator described in, the solar thermal collector ontology are equipped with ventilative through hole (12), and the respirator is mounted on described
At vent hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821039040.7U CN208765294U (en) | 2018-06-29 | 2018-06-29 | Respirator and solar thermal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821039040.7U CN208765294U (en) | 2018-06-29 | 2018-06-29 | Respirator and solar thermal collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208765294U true CN208765294U (en) | 2019-04-19 |
Family
ID=66128052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821039040.7U Active CN208765294U (en) | 2018-06-29 | 2018-06-29 | Respirator and solar thermal collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208765294U (en) |
-
2018
- 2018-06-29 CN CN201821039040.7U patent/CN208765294U/en active Active
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Effective date of registration: 20211231 Address after: 528513 east of Yangxi Avenue, Yanghe town (Renhe), Gaoming District, Foshan City, Guangdong Province Patentee after: GUANGDONG VANWARD ELECTRIC Co.,Ltd. Address before: No. 601, Yangxi Avenue, Yanghe Town, Gaoming District, Foshan City, Guangdong Province, 528513 Patentee before: GUANGDONG VANBO ELECTRIC Co.,Ltd. |