CN208848764U - A kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security - Google Patents
A kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security Download PDFInfo
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- CN208848764U CN208848764U CN201821909598.6U CN201821909598U CN208848764U CN 208848764 U CN208848764 U CN 208848764U CN 201821909598 U CN201821909598 U CN 201821909598U CN 208848764 U CN208848764 U CN 208848764U
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- farad
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- guide pin
- capacitor
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Abstract
The utility model relates to capacitance technology field, the sealing farad electric capacity module of especially a kind of moisture proof liquid-leakage preventing high security.It includes shell, farad capacitor component and the first sealant；Accommodation groove is offered on shell；Farad capacitor component includes circuit board and multiple capacitor monomers, and the upper surface of each capacitor monomer is provided with explosion-proof valve and its lower end surface is provided with positive and negative electrode guide pin.The guide pin end contraposition of farad capacitor component is plugged in the bottom of accommodation groove by the utility model, it is sealed in the guide pin end of farad capacitor component in accommodation groove with the first sealant again, so as to so that the explosion-proof valve end of farad capacitor component is located at outside accommodation groove, simultaneously, same housing can be used for sealing the farad capacitor component with the different height of accommodation groove contraposition grafting, and then reduce production cost.The apparatus structure is simple, and security performance is high, production cost is low and is convenient for mass production, has very strong practical value and market popularization value.
Description
Technical field
The utility model relates to capacitance technology field, the sealing farad electricity of especially a kind of moisture proof liquid-leakage preventing high security
Molar group.
Background technique
Farad capacitor is called double layer capacitor, supercapacitor, is a kind of electrochemical element.It passes through polarized electrolytic
Matter carrys out energy storage, but does not chemically react in the process of its energy storage, and thermal energy storage process is reversible, so that it can be filled repeatedly
It discharges hundreds of thousands of times.Farad capacitor or a kind of energy storage device of new green environment protection, have ultrahigh in efficiency, high current capacity,
The superior spies such as voltage range is wide, use temperature range is wide, long working life, non-maintaining easy maintenance, the simple, low cost of integration
Property.Since the voltage of existing capacitor monomer is generally 2.7V or 3.0V, thus in the farad electricity for needing to obtain more high voltage
Rong Shi only improves the pressure resistance of farad capacitor by concatenated method, by being connected in series multiple capacitor monomer composition one
The capacitance component of pressure resistance is referred to as farad capacitor mould group.
During actual use, farad capacitor may be worked under conditions of high temperature and humidity；In the environment of high temperature
Under, farad capacitor is easy the gas that rises during electrolyte decomposition, and then capacitor monomer is caused the phenomenon that leakage occur, when serious
The damage of subscribers' line can be directly resulted in or scrapped；In the environment of high humility, extraneous hydrone can be along capacitor monomer
On guide pin penetrate into inside capacitor monomer, react with the electrolyte inside capacitor monomer, and then farad capacitor is caused to go out
The case where existing internal resistance increases, and capacity reduces, may also lead to capacitor monomer and the phenomenon that leakage occurs, and then make subscribers' line when serious
Plate is damaged or is scrapped；Therefore, it is necessary to which farad capacitor is sealed processing, especially by the draw pin root on farad capacitor into
Row sealing improves the reliability that farad capacitor works under hot and humid environment effectively to slow down the infiltration of hydrone, another
Aspect is fully defined in capacitor aluminum hull by the liquid that sealing generates farad capacitor, is made when can reduce capacitor monomer leakage
At harm.It is eager that current sealed farad capacitor mould group has in intelligent gas meter, intellectual water meter and intelligent electric meter
Application demand.
Multiple capacitor monomers are often completely sealed in shell by closed type farad capacitor mould group in the prior art, from
And the explosion-proof valve on multiple capacitor monomers is caused to be in closed space, make explosion-proof valve that can not play explosion-proof effect, thus
The security performance of capacitor monomer is reduced, and then influences the safety of entire farad capacitor mould group.Meanwhile method in the prior art
It draws electric capacity module to need to develop corresponding shell when sealing the capacitor of different height, and then considerably increases farad capacitor mould group
Production cost.
Therefore, it is necessary to propose improvement project to existing farad capacitor mould group, provide that a kind of security performance is high, is produced into
This is low and is convenient for the farad capacitor mould group of mass production.
Utility model content
In view of the deficiency of the prior art, it is high that the purpose of this utility model is to provide a kind of moisture proof liquid-leakage preventings
The sealing farad electric capacity module of safety.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security, it include shell, farad capacitor component and
First sealant；
The accommodation groove of the end contraposition grafting for farad capacitor component is offered on the shell；
The farad capacitor component includes circuit board and multiple capacitor monomers, and the upper surface of each capacitor monomer is all provided with
It is equipped with explosion-proof valve and its lower end surface is provided with positive and negative electrode guide pin, each capacitor monomer passes through positive and negative electrode guide pin and aligns
It is welded on circuit board, the multiple capacitor monomer forms cascaded structure by positive and negative electrode guide pin and circuit board；The accommodation groove
Bottom offer two first through hole with the positive and negative electrode guide pin of farad capacitor component to bit distribution, the farad capacitor group
The guide pin end contraposition of part is plugged in the bottom of accommodation groove and the positive and negative electrode guide pin of farad capacitor component is made to be each passed through two first
Through-hole exposes to shell distribution；
First sealant is filled in accommodation groove so that the guide pin end of farad capacitor component is sealed in accommodation groove.
Preferably, the second sealant is provided on the outer surface of the shell and to being located at first through hole.
Preferably, the around first through hole distribution is offered at first through hole on the outer surface of the shell and to being located at
One groove, the second sealing glue are set in the first groove.
Preferably, the width of the circuit board is less than the diameter of capacitor monomer.
Preferably, the circuit board elongated plate structure is provided on the circuit board multiple along circuit board long side
Directional spreding and the electroplating ventilating hole pair being arranged in a linear, multiple capacitor monomers press positive and negative electrode successively by positive and negative electrode guide pin
It arranges and is welded in electroplating ventilating hole to upper, between the adjacent capacitor monomer by being set on circuit board copper foil layer series connection
Connection.
Preferably, the electroplating ventilating hole on the circuit board is successively labeled with positive and negative anodes label to upper.
Preferably, it is also provided with the second through-hole between two first through hole, in the farad capacitor component wherein
The positive guide pin or negative electrode guide needle of one capacitor monomer pass through the second through-hole and expose to shell.
Preferably, the around the distribution of the second through-hole is offered on the outer surface of the shell and to the second through hole is located at
Two grooves are provided with the second sealant in second groove.
Preferably, second sealant is UV glue.
Preferably, first sealant is casting glue, and the casting glue is epoxy resin embedding adhesive, polyurethane pouring sealant
One of with organic silicon potting adhesive.
As the above scheme is adopted, the guide pin end contraposition of farad capacitor component is plugged in accommodation groove by the utility model
Bottom, then the guide pin end of farad capacitor component is sealed in accommodation groove with the first sealant, so as to so that farad capacitor group
The explosion-proof valve end of part is located at outside accommodation groove, meanwhile, same housing can be used for sealing the different height with accommodation groove contraposition grafting
Farad capacitor component, and then reduce production cost.The apparatus structure is simple, and security performance is high, production cost is low and is convenient for criticizing
Quantization production, has very strong practical value and market popularization value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of farad capacitor mould group in the prior art；
Fig. 2 is the structural schematic diagram (one) of the utility model embodiment；
Fig. 3 is the cross section view of Fig. 2；
Fig. 4 is the structural schematic diagram (two) of the utility model embodiment；
Fig. 5 is the structural schematic diagram (three) of the utility model embodiment；
Fig. 6 is the structural schematic diagram (four) of the utility model embodiment；
Fig. 7 is the cross section view of Fig. 6；
Fig. 8 is the enlarged diagram in Fig. 7 at A；
Fig. 9 is the decomposition diagram of Fig. 6；
Figure 10 is the schematic diagram of internal structure of circuit board in Fig. 6；
Figure 11 is the schematic diagram of internal structure of the circuit board of second of embodiment of Fig. 6；
Figure 12 is the circuit diagram of the cascaded structure of Fig. 6；
In figure: 10, shell；20, farad capacitor component；21, circuit board；211, copper foil layer；212, electroplating ventilating hole pair；22,
Capacitor monomer；221, explosion-proof valve；222, positive guide pin；223, negative electrode guide needle；A, accommodation groove；B, first through hole；C, the first groove；
D, electroplating ventilating hole；E, the second through-hole；F, the second groove.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Figures 1 to 12, the sealing farad electricity of a kind of moisture proof liquid-leakage preventing high security provided by the utility model
Molar group, it includes shell 10, farad capacitor component 20 and the first sealant；It is offered on shell 10 for farad capacitor component 20
An end contraposition grafting accommodation groove a；Farad capacitor component 20 includes circuit board 21 and multiple capacitor monomers 22, Mei Ge electricity
The upper surface for holding monomer 22 is provided with explosion-proof valve 221 and its lower end surface is provided with positive and negative electrode guide pin, each capacitor monomer 22
By positive and negative electrode guide pin wielding neck on circuit board 21, multiple capacitor monomers 22 pass through positive and negative electrode guide pin and circuit board 21
Form cascaded structure；The bottom of accommodation groove a offers two to bit distribution with the positive and negative electrode guide pin of farad capacitor component 20
One through-hole b, farad capacitor component 20 guide pin end contraposition be plugged in accommodation groove a bottom and make farad capacitor component 20 just,
Negative electrode guide needle is each passed through two first through hole b and exposes to the distribution of shell 10；First sealant is filled in accommodation groove a so that method
The guide pin end of capacitance component 20 is drawn to be sealed in accommodation groove a.
Farad capacitor mould group in the prior art is as shown in Figure 1, it generally includes shell 10 and farad capacitor component 20；Shell
The accommodation groove a of the end contraposition grafting of farad capacitor component 20 is offered on body 10；Wherein, farad capacitor component 20 is by more
A capacitor monomer 22 is connected in series, and the upper surface of each capacitor monomer 22 is provided with explosion-proof valve 221 and lower end surface is all provided with
It is equipped with positive and negative electrode guide pin, multiple capacitor monomers 22 are directly connected in series by positive and negative electrode guide pin, by the way that positive and negative electrode guide pin is curved
Welding series connection is carried out after song contact, is easily damaged capacitor monomer 22 during bending due to guide pin, and then may cause entire
Farad capacitor component 20 can not work；It is to align one end of the not guide pin of farad capacitor component 20 simultaneously in assembly
Be plugged in the bottom of accommodation groove a and be accommodated in farad capacitor component 20 completely in accommodation groove a, with sealant by accommodation groove a
It fills up so that farad capacitor component 20, which is completely sealed in accommodation groove a, (guarantees the pad quilt of guide pin between capacitor monomer 22
Sealing)；Since capacitor monomer 22 is completely sealed in accommodation groove a, the explosion-proof valve 221 on capacitor monomer 22 has been in
Whole sealing status is easy to cause explosion-proof valve 221 to lose effect, thus there are security risk, such as farad capacitor mould group is using
During can generate certain internal pressure in capacitor monomer 22 when causing electrolyte decomposition because of over-voltage or other reasons, it is closed
Environment discharges internal pressure nowhere, when internal pressure increase to a certain extent after, entire farad capacitor component 20 can be made to there is the danger of explosion
Danger, so that there are great security risks.Further, since need for farad capacitor component 20 to be completely sealed in accommodation groove a, because
This needs more sealant to be filled, while the length (i.e. the depth of accommodation groove a) of shell 10 being needed to be greater than capacitor monomer
22 length produces and may be only available for the assembly length farad capacitor component 20 smaller than shell 10 with a shell 10, for
The farad capacitor component 20 of different length then needs to produce different shells 10, to increase production cost, is unfavorable for batch
Metaplasia produces.
Compared with electric capacity module in the prior art, there are following advantages for the present apparatus:
1, the farad capacitor mould group of the utility model embodiment is plugged in using the guide pin end contraposition of farad capacitor component 20
The bottom of accommodation groove a simultaneously makes the positive and negative electrode guide pin of farad capacitor component 20 be each passed through two first through hole b to expose to shell 10
Distribution, therefore during the first sealant is filled in accommodation groove a, it is only necessary to the bottom of accommodation groove a is filled (as preferred
In half to 3/4ths ranges of first sealant filling accommodation groove a) it can guarantee and led between capacitor monomer 22
The pad of needle is sealed, and without the first too many sealant of injection, therefore shell 10 is without very long, for different length
Farad capacitor component 20 is mountable, and use scope is wide in a shell 10, convenient for reducing production cost and batch metaplasia
It produces；
2, the explosion-proof valve end (upper surface of i.e. each capacitor monomer 22) of farad capacitor component 20, which makes to expose to shell 10, divides
Cloth, it is hereby ensured that explosion-proof valves 221 to fail, and then can be to avoid above-mentioned security risk；
3, each capacitor monomer 22 in farad capacitor component 20 is passing through positive and negative electrode guide pin wielding neck in circuit board 21
On to form cascaded structure when, each capacitor monomer 22 by positive and negative electrode guide pin need not bend, therefore can avoid directly
Positive and negative electrode guide pin bending welding was connected so as to lead to the consequence of the damage of capacitor monomer 22.
Based on this, present apparatus structure is simple, and security performance is high, production cost is low and is convenient for mass production, has very strong
Practical value and market popularization value.
When injecting the first sealant in accommodation groove a in order to prevent, the first sealant is by first through hole b to outside shell 10
It overflows, preferably, is provided with the second sealing on the outer surface of the shell 10 of the present embodiment and to being located at first through hole b
Glue.Before injecting the first sealant in accommodation groove a as a result, it is on the outer surface of the second sealant seal casinghousing 10 and right to first pass through
At first through hole b, after the second sealing glue solidifying, then the first sealant is injected into accommodation groove a, to prevent first close
Sealing is overflowed by first through hole b to outside shell 10.
For the ease of the second sealant seal casinghousing 10 outer surface and to be located at first through hole b at, preferably,
It is on the outer surface of the shell 10 of the present embodiment and recessed to offer circular first through hole b distribution at first through hole b first
Slot c, the second sealing glue 11 are set in the first groove c.As a result, on the outer surface of shell 10 and to positioned at first through hole b
Place offers the first groove c around first through hole b distribution, not only so that the second sealant is filled in first
It in groove c, and can prevent the second sealant from forming protrusion on the outer surface of shell 10, and influence product beauty.
The bottom of accommodation groove a is filled into for the ease of the first sealant, preferably, the circuit board 21 of the present embodiment
Width be less than capacitor monomer 22 diameter.During injecting the first sealant in accommodation groove a as a result, circuit board 21
Width will not stop the first sealant because of wide and flow into the bottom of accommodation groove a, consequently facilitating the first sealant is filled
In the bottom of accommodation groove a, and then guarantee that the first sealant can make the guide pin end of farad capacitor component 20 be substantially sealed in accommodating
In slot a.
For the ease of multiple capacitor monomers 22 are connected in series by circuit board 21, preferably, the present embodiment
The elongated plate structure of circuit board 21 is provided with multiple along the distribution of 21 longitudinal direction of circuit board and linearly rows on circuit board 21
(electroplating ventilating hole is made of to 212 two electroplating ventilating hole d the electroplating ventilating hole of column, and every group of electroplating ventilating hole is available for electricity to 212 to 212
The positive and negative electrode guide pin for holding monomer 22 aligns grafting), multiple capacitor monomers 22 are arranged successively by positive and negative electrode guide pin by positive and negative electrode
And electroplating ventilating hole is welded in on 212, it is gone here and there between adjacent capacitor monomer 22 by the copper foil layer 211 being set on circuit board 21
Connection connection.Multiple capacitor monomers 22 are arranged successively by positive and negative electrode by positive and negative electrode guide pin and are welded in electroplating ventilating hole pair as a result,
On 212, it is connected in series between adjacent capacitor monomer 22 by the copper foil layer 211 being set on circuit board 21, so as to non-
Often multiple capacitor monomers 22 is easily made to be together in series；Meanwhile it being provided on circuit board 21 multiple along 21 long side side of circuit board
To the electroplating ventilating hole for being distributed and being arranged in a linear to 212, circuit board 21 can be produced by way of batch production, and then reach
Accelerate the purpose of production efficiency.Figure 10 or Figure 11 be circuit board 21 on electroplating ventilating hole to 212 two kinds of preferred arrangement modes.Figure
Shown in 10, electroplating ventilating hole d is set as a row and is distributed and is arranged in a linear along 21 longitudinal direction of circuit board, and electroplating ventilating hole is to 212
It being arranged successively on this line, adjacent electroplating ventilating hole is sequentially connected between 212 by the copper foil layer 211 on circuit board 21,
Multiple capacitor monomers 22 are successively welded in electroplating ventilating hole on 212, to form string by positive and negative electrode guide pin by positive and negative electrode arrangement
Join connection structure；Shown in Figure 11, electroplating ventilating hole d is set as two rows of and is distributed and is arranged in a linear along 21 longitudinal direction of circuit board,
One-to-one two electroplating ventilating hole d form electroplating ventilating hole to 212 between two rows, and adjacent electroplating ventilating hole is to passing through between 212
Copper foil layer 211 on circuit board 21 is sequentially connected, and multiple capacitor monomers 22 pass through positive and negative electrode guide pin successively by positive and negative electrode arrangement
Electroplating ventilating hole is welded in on 212, to form series connection structure.
For the ease of being welded on multiple capacitor monomers 22 on circuit board 21, preferably, the circuit of the present embodiment
Electroplating ventilating hole on plate 21 is to being successively labeled with positive and negative electrode label (as shown in figs) on 212.As a result, in circuit board
When wielding neck capacitor monomer 22 makes multiple capacitor monomers 22 form cascaded structure on 21, only need to by electroplating ventilating hole to 212 just,
Cathode label carrys out wielding neck capacitor monomer 22, consequently facilitating artificial or machine recognition be welded in it is multiple on circuit board 21
The positive and negative electrode situation of capacitor monomer 22 keeps the process of welding easier, accurate and quick.
In order to provide corresponding support force, preferably, the present embodiment when the present apparatus is electrically connected with external circuits
Two first through hole b between be also provided with the second through-hole e, one of capacitor monomer 22 in farad capacitor component 20 is just
Pole guide pin 222 or negative electrode guide needle 223 pass through the second through-hole e and expose to shell 10.The positive guide pin of shell 10 is exposed to as a result,
222 or negative electrode guide needle 223 (not including the positive and negative electrode guide pin of farad capacitor component 20) can be used as a fulcrum and be used to support this
Device, the fulcrum are not electrically connected with external circuits, only play the role of support.Preferably, the second of the present embodiment is logical
Hole e can accordingly increase the quantity of the second through-hole e according to actual service condition, and each second through-hole e is and farad capacitor
The positive guide pin 222 or negative electrode guide needle 223 of some capacitor monomer 22 in component 20 align cooperation, increase multiple use to reach
In the fulcrum of the support present apparatus.
When injecting the first sealant in accommodation groove a in order to prevent, the first sealant is by the second through-hole e to outside shell 10
It overflows, preferably, offers on the outer surface of the shell 10 of the present embodiment and to being located at the second through-hole e around second
The second sealant is provided in second groove f, the second groove f of through-hole e distribution.
In order to guarantee the sealing performance of the second sealant, preferably, second sealant of the present embodiment is UV glue.
UV glue may insure the sealing performance of the second sealant as a result,.In order to accelerate the solidification of UV glue, preferably, this implementation
After the UV glue of example is filled in the first groove c and the second groove f, the first groove c and the second groove f can be irradiated by ultraviolet radiator
Interior UV glue, to accelerate the solidification of UV glue.
In order to guarantee the sealing performance of the first sealant, preferably, first sealant of the present embodiment is encapsulating
Glue, casting glue are one of epoxy resin embedding adhesive, polyurethane pouring sealant and organic silicon potting adhesive.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security, it is characterised in that: it includes shell, farad electricity
Hold component and the first sealant；
The accommodation groove of the end contraposition grafting for farad capacitor component is offered on the shell；
The farad capacitor component includes circuit board and multiple capacitor monomers, and the upper surface of each capacitor monomer is provided with
Explosion-proof valve and its lower end surface are provided with positive and negative electrode guide pin, and each capacitor monomer passes through positive and negative electrode guide pin wielding neck
In on circuit board, the multiple capacitor monomer forms cascaded structure by positive and negative electrode guide pin and circuit board；The bottom of the accommodation groove
Portion offers two first through hole with the positive and negative electrode guide pin of farad capacitor component to bit distribution, the farad capacitor component
The contraposition of guide pin end is plugged in the bottom of accommodation groove and the positive and negative electrode guide pin of farad capacitor component is made to be each passed through two first through hole
Expose to shell distribution；
First sealant is filled in accommodation groove so that the guide pin end of farad capacitor component is sealed in accommodation groove.
2. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as described in claim 1, it is characterised in that:
The second sealant is provided on the outer surface of the shell and to being located at first through hole.
3. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as claimed in claim 2, it is characterised in that:
The first groove around first through hole distribution is offered on the outer surface of the shell and to being located at first through hole, described second
Sealing glue is set in the first groove.
4. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as described in claim 1, it is characterised in that:
The width of the circuit board is less than the diameter of capacitor monomer.
5. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as described in claim 1, it is characterised in that:
The elongated plate structure of circuit board, be provided on the circuit board it is multiple along the distribution of circuit board longitudinal direction and linearly
The electroplating ventilating hole pair of arrangement, multiple capacitor monomers are arranged successively by positive and negative electrode by positive and negative electrode guide pin and are welded in plating
Through-hole is to upper, between the adjacent capacitor monomer by being set on circuit board copper foil layer series connection.
6. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as claimed in claim 5, it is characterised in that:
Electroplating ventilating hole on the circuit board is successively labeled with positive and negative anodes label to upper.
7. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as described in claim 1, it is characterised in that:
The second through-hole is also provided between two first through hole, one of capacitor monomer in the farad capacitor component is just
Pole guide pin or negative electrode guide needle pass through the second through-hole and expose to shell.
8. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as claimed in claim 7, it is characterised in that:
On the outer surface of the shell and to be located at the second through hole offer around the second through-hole distribution the second groove, described second
The second sealant is provided in groove.
9. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as described in claim 2 or 8, feature exist
In: second sealant is UV glue.
10. a kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security as described in claim 1, feature exist
In: first sealant is casting glue, and the casting glue is epoxy resin embedding adhesive, polyurethane pouring sealant and organosilicon encapsulating
One of glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821909598.6U CN208848764U (en) | 2018-11-19 | 2018-11-19 | A kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821909598.6U CN208848764U (en) | 2018-11-19 | 2018-11-19 | A kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208848764U true CN208848764U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821909598.6U Expired - Fee Related CN208848764U (en) | 2018-11-19 | 2018-11-19 | A kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300699A (en) * | 2018-11-19 | 2019-02-01 | 深圳市大强大电子技术有限公司 | A kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security |
-
2018
- 2018-11-19 CN CN201821909598.6U patent/CN208848764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300699A (en) * | 2018-11-19 | 2019-02-01 | 深圳市大强大电子技术有限公司 | A kind of sealing farad electric capacity module of moisture proof liquid-leakage preventing high security |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20211119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |