CN207071185U - Automatic touch trigger fire extinguisher - Google Patents
Automatic touch trigger fire extinguisher Download PDFInfo
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- CN207071185U CN207071185U CN201720289392.7U CN201720289392U CN207071185U CN 207071185 U CN207071185 U CN 207071185U CN 201720289392 U CN201720289392 U CN 201720289392U CN 207071185 U CN207071185 U CN 207071185U
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Abstract
A kind of fire distinguisher is the utility model is related to, specifically automatic touch trigger fire extinguisher, including the film breaking unit of sealing film can be broken；The film breaking unit is sealing pressure resistant film, or the film breaking unit is that warming punctures component, or the film breaking unit is that the warming with temperature control circuit punctures component, or the film breaking unit is plasma high temperature discharge component, or the film breaking unit be include sealing pressure resistant film, warming punctures the synthesis film breaking unit of component and plasma high temperature discharge component；Burning rupture of membranes, puncture rupture of membranes, the breakdown rupture of membranes triggered automatically to sealing film can be realized, so as to realize self-extinguishing.Realize less than the control valve opening fire extinguishing of 5V voltages, can be directly connected to be less than 5V control circuits.The technical solution of the utility model is widely used for the detection range of burning point, and simple in construction, manufacturing cost and use cost is low, is adapted to multiple fields fire engineering in reality, easy to spread.
Description
Technical field
A kind of fire distinguisher is the utility model is related to, specifically automatic touch trigger fire extinguisher.
Background technology
Fire distinguisher is important equipment when fire occurs, especially self-extinguishing equipment, by be placed in communal facility,
The environment such as industrial and mining enterprises, space flight railway ship, building, though can the further expansion put out burning point, avoid fire.
Self-extinguishing equipment of the prior art, it is roughly divided into two ways triggering self-extinguishing.First, utilize electronics device
Material, such as temperature detection, smoke detector, the generation of fire is detected, so as to open the electromagnetic valve switch of automatic fire extinguisher, make to go out
Fiery material sprays, second, being sealed using similar thermometer glass bubble as the nozzle of fire distinguisher, when glass envelope expanded by heating is quick-fried
After broken, spray the fire extinguishing material in the pressure vessel of fire distinguisher.
Whether any self-extinguishing equipment, suffers from limitation in practical ranges, such as：Temperature detection
And/or smoke detector, solenoid valve control self-extinguishing equipment, in larger warehouse, temperature detection and/or smoke detector can only be set
The positions such as the crossbeam at the top of wall, pillar, warehouse, once remotely burnt apart from positions such as wall, pillar, crossbeams
Point, temperature or dense smoke, which are delivered to the positions such as temperature detection and/or smoke detector, needs certain time, it is impossible to timely puts out burning
Point.And for example：The fire distinguisher that glass envelope seals as nozzle, glass envelope relative combustion point farther out when, it is impossible to it is timely quick-fried broken,
It can not put out a fire in time.
Therefore, it is necessary to a kind of new fire distinguisher with automatic initiating device, for expanding the application model of fire distinguisher
Enclose.
Utility model content
The utility model provides a kind of fire distinguisher of new automatic initiating device, can realize and automatically open up fire extinguishing
The spout of equipment, while have also been enlarged the application of fire distinguisher.
The technical solution of the utility model is as follows：
Automatic touch trigger fire extinguisher, including pressure vessel, pressure vessel have the outlet base to raise up, with exporting bottom
Ceramic cap that seat is detachably connected, the seal member being arranged between outlet base and ceramic cap, the top of ceramic cap has spray
Mouthful, the lower end of spout, which is set, prevents the sealing film that material sprays of putting out a fire, in addition to can break the film breaking unit of sealing film,
The film breaking unit is arranged on the inside of ceramic cap；The film breaking unit is sealing pressure resistant film, and the sealing pressure resistant film is set
Put between sealing film and seal member, be made up of heated combustible metal.
The beneficial effects of the utility model are：
1st, the burning rupture of membranes to sealing film is triggered automatically using combustible metal film, so as to realize self-extinguishing.
2nd, the puncture rupture of membranes to sealing film is triggered using bimetal leaf or memorial alloy automatically, gone out automatically so as to realize
Fire.
3, the breakdown rupture of membranes to sealing film is triggered automatically using plasma high temperature discharge, so as to realize self-extinguishing.
4, burning rupture of membranes, puncture rupture of membranes, the breakdown rupture of membranes triggered automatically to sealing film is realized using comprehensive film breaking unit,
So as to realize self-extinguishing.
5th, realize less than the control valve opening fire extinguishing of 5V voltages, can be directly connected to be less than 5V control circuits.
6, the technical solution of the utility model is widely used for the detection range of burning point, simple in construction, is manufactured and is made
It is low with cost, it is adapted to multiple fields fire engineering in reality, it is easy to spread.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is Split type structure schematic diagram of the present utility model.
Fig. 3 is ceramic cap structural representation of the present utility model.
Fig. 4 is shape changing metal modular construction schematic diagram of the present utility model.
Fig. 5 is shape changing metal modular construction schematic diagram of the present utility model.
Wherein：1st, pressure vessel, 2, outlet base, 3, ceramic cap, 4, seal member, 5, spout, 6, sealing film, 7, envelope
Mouthful pressure resistant film, 8, warming puncture component, 81, shape changing metal part, 82, acupuncture part, 85, containment vessel, 92, becket output
End, 93, becket, 10, metallic support.
Embodiment
Further explanation is made to the utility model with embodiment below in conjunction with the accompanying drawings.
Automatic touch trigger fire extinguisher as shown in Figure 1, Figure 2, including pressure vessel 1, pressure vessel have the outlet bottom to raise up
Ceramic cap 3 that seat 2 is detachably connected with outlet base, the seal member 4 being arranged between outlet base and ceramic cap, it is ceramic
The top of cap has spout 5, and the lower end of spout, which is set, prevents the sealing film 6 that material sprays of putting out a fire.
By the use of sealing film and ceramic cap as the sealing device of pressure vessel, the outlet bottom of ceramic cap and pressure vessel
Seat is sealed using seal member, and fire extinguishing material is stopped by sealing film.
In order to realize automatic triggering, it is necessary to a kind of film breaking unit that can break sealing film, and film breaking unit is set
In the inside of ceramic cap.
Embodiment 1：
As shown in Figure 1 and Figure 2, in the case of directly being contacted with burning point, the film breaking unit is to seal pressure resistant film 7, institute
State sealing pressure resistant film to be arranged between sealing film and seal member, be made up of heated combustible metal.
The phenomenon burnt using heated combustible metal when being heated, is burnt sealing film by way of burning,
The fire extinguishing material being stored in pressure vessel can spray from the top of ceramic cap, realize automatic triggering.
Further, the sealing pressure resistant film be by magnesium sheet or magnesium alloy plate or conductive titanium valve compressed tablet or titanium sheet,
Or titanium alloy piece or the metal such as aluminium flake or tin piece are made.Preferred plan is magnesium sheet, 38 DEG C -40 DEG C be magnesium burning-point, magnesium can be with
Burnt in carbon dioxide, metal strength is similar to gold, silver, IIA that magnesium belongs on the periodic table of elements（Second main group）Race's alkaline earth gold
Belong to element.The sealing space that sealing film and seal member and pressure vessel are formed, the effect of protection magnesium sheet is served, is kept away
The generation of magnesium sheet oxidization condition is exempted from.
As a rule, the spout of the pressure vessel of fire distinguisher is cylindrical shape, is easily installed and uses, accordingly, it is preferred that
Thin rounded flakes are made in sealing pressure resistant film.
Embodiment 2：
As shown in Fig. 1~Fig. 5, in the case of directly contacting or be closer to burning point, the film breaking unit can be with
It is that warming punctures component 8, warming, which punctures component, includes shape changing metal part 81, the acupuncture part 82 of temperature distortion；The acupuncture
Part is pointed to and is removably connected with the bottom of shape changing metal part close to sealing film, the top of the acupuncture part,
Shape changing metal part is fixed by being arranged on the metallic support of spout-top；Can be to sealing after the shape changing metal part is heated
Film produces distorted movement, and acupuncture part can puncture sealing film.
Wherein, after shape changing metal part is heated, is stopped by metallic support, produce the motion to sealing film deformation
Trend, the acupuncture part being connected with shape changing metal part starts to move to sealing film, and finally pierces through sealing film；Sealed thin
Film is after breach or hole is produced, and the pressure influence for the fire extinguishing material being under pressure in container, sealing film is broken or fragmentation,
Material of putting out a fire sprays, and realizes automatic triggering.
Further, shape changing metal part is arranged to the bimetal leaf being thermally deformed or the metal spring being thermally deformed.
Bimetal leaf or metal spring produce deformation, bimetal leaf or metal elastic after sensing that environment temperature is heated
Spring jacks up towards the direction of sealing film, and acupuncture part punctures sealing film.
For the ease of the installation and replacing of shape changing metal part, a containment vessel 85 is set up, the containment vessel has downward
The barrel-like structure of opening, shape changing metal part and acupuncture part are contained in the inside of containment vessel, acupuncture feature bottom and containment vessel
Edge of opening it is concordant or stretch out；The top of the containment vessel is removably connected with metallic support, it is preferred that passes through screw thread knot
The middle part of structure and metallic support connects；In order to preferably cause shape changing metal part to be heated, containment vessel is made up of metal material.
Because shape changing metal part is arranged in containment vessel, when installing or changing shape changing metal part, can directly lead to
Overprotection shell is operated, and improves operating efficiency.
Embodiment 3：
On the basis of previous embodiment 2, as shown in Fig. 1~Fig. 5, the present embodiment proposes a kind of improved technical scheme.
The film breaking unit is that the warming with temperature control circuit punctures component；Temperature control circuit is connected respectively by two wires
At the both ends of shape changing metal part；The shape changing metal part heating power simultaneously can produce distorted movement, pin to sealing film
Thorn part can puncture sealing film.
During flame combustion, heat or flue gas are raised above, and horizontal temperature control diffusion or flue gas diffusion are slower；Fire distinguisher
It is be arranged in parallel with burning point, can now utilizes the temperature control circuit for being arranged on burning point top to detect burning point, pass through
Temperature control loop controls power-frequency voltage to turn on the both ends of shape changing metal part, and now shape changing metal part is a heating resistor,
After shape changing metal part heating, deformation is produced, acupuncture part pierces through sealing film.
Further, temperature control circuit should comprise at least cigarette sense or temperature control starting-up later time, power-frequency voltage loop；Power-frequency voltage
Loop is connected respectively to the both ends of shape changing metal part by two wires, and cigarette sense or temperature control starting-up later time can control power frequency electric
Push back road.
Containment vessel can also be set up, the containment vessel has downwardly open barrel-like structure, shape changing metal part and acupuncture
Part is contained in the inside of containment vessel, and acupuncture feature bottom is concordant with the edge of opening of containment vessel or stretches out；The containment vessel
Top is removably connected with metallic support；
Two wires that temperature control circuit is amplified out, can extend into or pierce through the protection shell；Containment vessel is by insulating materials system
Into.Preferably, containment vessel is made up of glass.
Further, acupuncture part is arranged to include the pin made of shank and metal material that insulated made of insulating materials
Head.
Embodiment 4：
As shown in Figure 1, Figure 2, in the case that Fig. 3 and burning point are distant, the film breaking unit is plasma high temperature discharge group
Part, including metallic support, outer control loop, becket output end and becket；Metallic support is arranged on spout-top；Metal
Ring output end penetrates the sidepiece of ceramic cap, and the becket is arranged on the inside of ceramic cap, and becket output end can be with metal
Ring contradicts；Sealing film is arranged between metallic support and becket；Outer control loop is connected respectively to by two wires
Metallic support and becket output end；It is high that the voltage that metallic support and becket are applied by outer control loop forms plasma
Temperature electric discharge, plasma high temperature discharge can puncture sealing film.
Becket is separately positioned on the upper and lower part of sealing film with metallic support, and becket is defeated by contradicting becket
The mode for going out end passes through ceramic cap；Between becket output end and metallic support, high-frequency electrical is applied by outer control loop
Pressure, plasma high temperature discharge is formed, puncture sealing film using plasma high temperature discharge；Sealing film is producing breach or hole
Afterwards, the pressure influence for the fire extinguishing material being under pressure in container, sealing film is broken or fragmentation, and fire extinguishing material sprays, and realizes
Automatic triggering.
Further, outer control loop includes：Cigarette sense or warming starting-up later time, 3.7V control voltages control circuit,
15KV step-up transformers；
The 15KV step-up transformers are connected with metallic support and becket output end respectively by two wires, cigarette sense or
Warming starting-up later time can control 15KV step-up transformers by the control circuit less than 3.7V control voltages.
In order to ensure to puncture effect and puncture efficiency, further, the distance between metallic support and becket are set
For 0 ＜ S≤0.5cm.
Embodiment 5
As shown in Fig. 1~Fig. 5, in the case that burning point directly contacts and burning point is closer to or is distant, institute
It is to include sealing the synthesis film breaking unit that pressure resistant film, warming puncture component and plasma high temperature discharge component to state film breaking unit；
Comprehensive film breaking unit includes：
It is arranged on the metallic support of spout-top；
The warming for being arranged on sensing sealing film among metallic support punctures component, and warming, which punctures component, to be included by metal material
Material is made the containment vessel with downwardly open barrel-like structure, is arranged on the shape changing metal portion of containment vessel inside temperature distortion
Part, acupuncture part, the top of acupuncture part are removably connected with the bottom of shape changing metal part, acupuncture feature bottom and protection
The edge of opening of shell is concordant or stretches out, and acupuncture part points to and close to sealing film；
The becket 93 on the seal member top being arranged in ceramic cap, penetrate ceramic cap sidepiece and contradicted with becket
Becket output end 92；
Warming is arranged on to puncture the sealing film between component and becket and seal made of heated combustible metal resistance to
Ironed film, sealing film is arranged on the top of sealing pressure resistant film, and is bonded with sealing pressure resistant film；
Outer control loop is connected respectively to metallic support 10 and becket output end 92 by two wires；
Distorted movement can be produced to sealing film after the shape changing metal part is heated, acupuncture part can puncture sealing
Film and sealing pressure resistant film；
The voltage that acupuncture part and becket are applied by outer control loop forms plasma high temperature discharge, and plasma is high
Temperature electric discharge can puncture sealing film and sealing pressure resistant film.
In the case of directly being contacted with burning point, burnt using pressure resistant film is sealed with naked light or high temperature contact, or utilize
Shape changing metal part is thermally deformed effect, breaks sealing film and sealing pressure resistant film；It is closer to or distance with burning point
In the case of farther out, apply high frequency voltage using outer control loop, form plasma high temperature discharge, put using plasma high temperature
Electrical breakdown sealing film；Sealing film is after breach or hole is produced, the pressure shadow for the fire extinguishing material being under pressure in container
Ring, sealing film is broken or fragmentation, and fire extinguishing material sprays, and realizes automatic triggering.
Further, it is by magnesium sheet or magnesium alloy plate or conductive titanium valve compressed tablet or titanium sheet or titanium to seal pressure resistant film
Alloy sheet or aluminium flake or tin piece are made.
Further, it is thin rounded flakes to seal pressure resistant film 6.
Outer control loop includes：Cigarette sense or warming starting-up later time, the control circuit of 3.7V control voltages, 15KV boosting changes
Depressor；
The 15KV step-up transformers are connected with metallized metal support and becket output end respectively by two wires, cigarette
Sense or warming starting-up later time can control 15KV step-up transformers by the control circuit less than 3.7V control voltages.
＜ S≤the 0.5cm of distance 0 between the bottom of the acupuncture part and becket.
Scheme in embodiment 1,2,3,4, can also be applied in combination, such as：The assembled scheme of embodiment 1 and embodiment 2；
The assembled scheme of embodiment 1 and embodiment 3；The assembled scheme of embodiment 1 and embodiment 4；The combination of embodiment 2 and embodiment 4
Scheme, the effect for breaking sealing film can be realized in assembled scheme, simply application is different.
On the basis of foregoing all embodiments, technical characteristic of the prior art can also be increased：Such as：At outlet bottom
The sidepiece of seat sets up pressure gauge；Seal member can use an O-ring seal or gold is set between two O-ring seals
Belong to ring；It is connected through a screw thread between ceramic cap and exit pedestal；Shape changing metal part with containment vessel by helicitic texture with
Metallic support connects；Sealing film can be metallic film or plastic sheeting etc..
The utility model is described in detail above in association with accompanying drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to described above.Thus, some details in embodiment should not be formed to this practicality
New restriction, the utility model will be used as the scope of protection of the utility model using the scope that appended claims define.
Claims (10)
1. automatic touch trigger fire extinguisher, including pressure vessel（1）, pressure vessel（1）With the outlet base to raise up（2）、
With exporting base（2）The ceramic cap being detachably connected（3）, be arranged on outlet base（2）With ceramic cap（3）Between seal member
（4）, ceramic cap（3）Top there is spout（5）, spout（5）Lower end set prevent put out a fire material spray sealing film
（6）, it is characterised in that：
Also include that sealing film can be broken（6）Film breaking unit, the film breaking unit is arranged on ceramic cap（3）Inside；
The film breaking unit is sealing pressure resistant film（7）, the sealing pressure resistant film（7）It is arranged on sealing film（6）With sealing
Part（4）Between, it is made up of heated combustible metal.
2. automatic touch trigger fire extinguisher according to claim 1, it is characterised in that：The film breaking unit is that warming punctures group
Part（8）, warming punctures component（8）Shape changing metal part including temperature distortion（81）, acupuncture part（82）；
The acupuncture part（82）Point to and close to sealing film（6）, the acupuncture part（82）Top and shape changing metal
Part（81）Bottom removably connect, shape changing metal part（81）By being arranged on spout（5）The metallic support at top
（10）It is fixed；
The shape changing metal part（81）Can be to sealing film after heated（6）Produce distorted movement, acupuncture part（82）Can
Puncture sealing film（6）.
3. automatic touch trigger fire extinguisher according to claim 2, it is characterised in that：The film breaking unit is with temperature control electricity
The warming on road punctures component（8）；
Temperature control circuit is connected to shape changing metal part by two wires（81）Both ends；
The shape changing metal part（81）Heating power simultaneously can be to sealing film（6）Produce distorted movement, acupuncture part（82）
Sealing film can be punctured（6）.
4. automatic touch trigger fire extinguisher according to claim 1, it is characterised in that：The film breaking unit is plasma high temperature
Discharge assembly, including metallic support（10）, outer control loop, becket output end（92）And becket（93）；
Metallic support（10）It is arranged on spout（5）Top；
Becket output end（92）Penetrate ceramic cap（3）Sidepiece, the becket（93）It is arranged on ceramic cap（3）Inside,
Becket output end（92）Can be with becket（93）Contradict；
Sealing film（6）It is arranged on metallic support（10）And becket（93）Between；
Outer control loop is connected respectively to metallic support by two wires（10）With becket output end（92）；
Metallic support（10）And becket（93）By outer control loop apply voltage formed plasma high temperature discharge, wait from
Sub- high temperature discharge can puncture sealing film（6）.
5. automatic touch trigger fire extinguisher according to claim 1, it is characterised in that：The film breaking unit is：
Including sealing pressure resistant film（7）, warming puncture component（8）With the synthesis film breaking unit of plasma high temperature discharge component；
Comprehensive film breaking unit includes：
It is arranged on spout（5）The metallic support at top（10）；
It is arranged on metallic support（10）Point to sealing film in centre（6）Warming puncture component（8）, warming punctures component（8）Bag
Include and the containment vessel with downwardly open barrel-like structure is made by metal material（85）, be arranged on containment vessel（85）Inside is become by heat
The shape changing metal part of shape（81）, acupuncture part（82）, acupuncture part（82）Top and shape changing metal part（81）Bottom
Dismountable connection, acupuncture part（82）Bottom and containment vessel（85）Edge of opening it is concordant or stretch out, acupuncture part（82）Refer to
To and close to sealing film（6）；
It is arranged on ceramic cap（3）Interior seal member（4）The becket on top（93）, penetrate ceramic cap（3）Sidepiece and and metal
Ring（93）The becket output end of conflict（92）；
It is arranged on warming and punctures component（8）With becket（93）Between sealing film（6）With made of heated combustible metal
Seal pressure resistant film（7）, sealing film（6）It is arranged on sealing pressure resistant film（7）Top, and with seal pressure resistant film（7）Patch
Close；
Outer control loop is connected respectively to metallic support by two wires（10）With becket output end（92）；
The shape changing metal part（81）Can be to sealing film after heated（6）Produce distorted movement, acupuncture part（82）Can
Puncture sealing film（6）With sealing pressure resistant film（7）；
Acupuncture part（82）And becket（93）By outer control loop apply voltage formed plasma high temperature discharge, wait from
Sub- high temperature discharge can puncture sealing film（6）With sealing pressure resistant film（7）.
6. the automatic touch trigger fire extinguisher according to Claims 2 or 3, it is characterised in that：The shape changing metal part（81）
It is the bimetal leaf being thermally deformed or the metal spring being thermally deformed.
7. automatic touch trigger fire extinguisher according to claim 2, it is characterised in that：Also include containment vessel（85）, the guarantor
Protective case（85）With downwardly open barrel-like structure, shape changing metal part（81）With acupuncture part（82）It is contained in containment vessel（85）
Inside, acupuncture part（82）Bottom and containment vessel（85）Edge of opening it is concordant or stretch out；
The containment vessel（85）Top and metallic support（10）Dismountable connection；
The containment vessel（85）It is made up of metal material.
8. automatic touch trigger fire extinguisher according to claim 3, it is characterised in that：Also include containment vessel（85）, the guarantor
Protective case（85）With downwardly open barrel-like structure, shape changing metal part（81）With acupuncture part（82）It is contained in containment vessel（85）
Inside, acupuncture part（82）Bottom and containment vessel（85）Edge of opening it is concordant or stretch out；
The containment vessel（85）Top and metallic support（10）Dismountable connection；
The containment vessel（85）It is made up of insulating materials；
The temperature control circuit includes cigarette sense or temperature control starting-up later time, power-frequency voltage loop；Power-frequency voltage loop passes through two wires
It is connected respectively to shape changing metal part（81）Both ends, cigarette sense or temperature control starting-up later time can control power-frequency voltage loop.
9. automatic touch trigger fire extinguisher according to claim 8, it is characterised in that：The acupuncture part（82）Including insulation
Syringe needle made of insulation shank made of material and metal material.
10. the automatic touch trigger fire extinguisher according to claim 4 or 5, it is characterised in that：The outer control loop bag
Include：Cigarette sense or warming starting-up later time, the control circuit of 3.7V control voltages, 15KV step-up transformers；
The 15KV step-up transformers by two wires respectively with metallic support（10）With becket output end（92）Connection, cigarette
Sense or warming starting-up later time can control 15KV step-up transformers by the control circuit less than 3.7V control voltages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289392.7U CN207071185U (en) | 2017-03-23 | 2017-03-23 | Automatic touch trigger fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289392.7U CN207071185U (en) | 2017-03-23 | 2017-03-23 | Automatic touch trigger fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207071185U true CN207071185U (en) | 2018-03-06 |
Family
ID=61512357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720289392.7U Expired - Fee Related CN207071185U (en) | 2017-03-23 | 2017-03-23 | Automatic touch trigger fire extinguisher |
Country Status (1)
| Country | Link |
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| CN (1) | CN207071185U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621154A (en) * | 2017-03-23 | 2017-05-10 | 孙林 | Automatic trigger fire extinguisher |
| CN110237476A (en) * | 2019-06-17 | 2019-09-17 | 上海金盾消防智能科技有限公司 | A kind of miniature single bottle automatic fire extinguisher |
| CN111458544A (en) * | 2020-04-18 | 2020-07-28 | 魏运昌 | Smart electric meter and production is with portable injection moulding device that prevents to block up thereof |
-
2017
- 2017-03-23 CN CN201720289392.7U patent/CN207071185U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621154A (en) * | 2017-03-23 | 2017-05-10 | 孙林 | Automatic trigger fire extinguisher |
| CN110237476A (en) * | 2019-06-17 | 2019-09-17 | 上海金盾消防智能科技有限公司 | A kind of miniature single bottle automatic fire extinguisher |
| CN111458544A (en) * | 2020-04-18 | 2020-07-28 | 魏运昌 | Smart electric meter and production is with portable injection moulding device that prevents to block up thereof |
| CN111458544B (en) * | 2020-04-18 | 2020-12-11 | 无锡市恒通电器有限公司 | Smart electric meter and production is with portable injection moulding device that prevents to block up thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180306 Termination date: 20200323 |