CN209357955U - Hot plug connector and electronic equipment - Google Patents
Hot plug connector and electronic equipment Download PDFInfo
- Publication number
- CN209357955U CN209357955U CN201920298541.5U CN201920298541U CN209357955U CN 209357955 U CN209357955 U CN 209357955U CN 201920298541 U CN201920298541 U CN 201920298541U CN 209357955 U CN209357955 U CN 209357955U
- Authority
- CN
- China
- Prior art keywords
- conductive terminal
- slot
- electronic switch
- shell
- hot plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a kind of hot plug connector and electronic equipments, the hot plug connector includes: base, the base includes the shell with the first slot and the second slot and the first conductive terminal for receiving detectable signal, first conductive terminal is set in first slot and is arranged with the cell wall interval of first slot to realize insulation, and second slot is connected to first slot；Male connector, the male connector includes an at least connecting column, the connecting column is pluggable to be set in second slot, contacting when the connecting column is plugged in second slot with first conductive terminal, shell makes first conductive terminal, shell conducting, and the received detectable signal of the first conductive terminal is issued from the shell of base.The technical solution of the utility model, which has, saves pin foot resource, the advantages of reducing the cost.
Description
Technical field
The utility model relates to technical field of electronic equipment, is related specifically to a kind of hot plug connector and electronic equipment.
Background technique
Currently, main equipment and from being generally attached by hot-swappable connection structure between equipment, as television set is whole
It is attached by way of male connector and female between machine and the independent power amplifier for being placed outside television set complete machine, in male connector and female extremely
It is rare respectively have a pin foot be used to detect main equipment and between equipment whether successful connection, specifically, main equipment by should
Pin foot with send a detection signal, after receiving the signal fed back from equipment, then judge main equipment and from equipment it
Between connect and finish, can carry out data transmission, if main equipment does not receive the signal fed back from equipment, judge from equipment
It is not connected with or connects unsuccessful.During judging main equipment and whether completing connection from equipment, it is necessary to occupy male connector and
Each pin foot in female, and the pin foot resource in male connector and female is limited, Seize ACK message pin foot is inserted as heat
Pulling out detection foot, to will cause signal pin foot quantity not enough, results in waste of resources, improves manufacturing cost.
Utility model content
To achieve the above object, the utility model proposes a kind of hot plug connector, the hot plug connector includes:
Base, the base include the shell with the first slot and the second slot and the first conducting end for receiving detectable signal
Son, first conductive terminal are set in first slot and are arranged with the cell wall interval of first slot to realize absolutely
Edge, second slot are connected to first slot；Male connector, the male connector include an at least connecting column, and the connecting column can
Plug be set in second slot, when the connecting column is plugged in second slot with first conductive terminal,
Shell contact makes first conductive terminal, shell conducting, by the received detectable signal of the first conductive terminal from base
Shell issue.
Preferably, first conductive terminal is extended and first conductive terminal far from one end of first slot
First pin of conducting；The housing outer surface extends at least one second pin be connected with the shell.
Preferably, the quantity of the second pin is two.
Preferably, the cell wall of second slot is provided with internal screw thread, and external screw thread, the company are provided on the connecting column
Column is connect to be threadedly engaged with the cell wall of second slot and abut the first conductive terminal of realization and shell with first conductive terminal
Body conducting.
Preferably, one end that first conductive terminal is set in first slot is provided with elastic component, the company
It connects when column is inserted in second slot and is abutted with the elastic component.
Preferably, insulating part is provided between first conductive terminal and the cell wall of first slot.
Preferably, the quantity of the base is two, and the male connector includes two connecting columns, and each connecting column will be every
First conductive terminal in one base is connected with shell, and the shell as the second conductive terminal of two bases is mutual
Conducting；Wherein, first conductive terminal is for receiving detectable signal, and the shell through two mutual conductions be sent to it is another
First conductive terminal is to issue the detectable signal.
Preferably, the hot plug connector further includes detection circuit, the detection circuit include the first electronic switch and
Second electronic switch, first electronic switch and the second electronic switch include three ends, in which: first electronic switch one
End is connected to the first conductive terminal for issuing detectable signal；The first electronic switch other end is connected to second electronic cutting
It closes；First electronic switch further holds ground connection second electronic switch one end to be connected to first electronic switch；It is described
The second electronic switch other end is connected to external power supply；One end is used to export the electricity of external power supply second electronic switch again
Pressure.
Preferably, current-limiting resistance, first electronic switch are connected between the first electronic switch and the first conductive terminal
It is connected between one end of the first conductive terminal and one end of its own ground connection and is connected with the divider resistance being arranged in parallel and filtering
Capacitor；Second electronic switch be connected to external power supply one end and its own be connected between one end of the first electronic switch
It is connected with biasing resistor.
To achieve the above object, the utility model also provides a kind of electronic equipment, and the electronic equipment includes such as above-mentioned
Hot plug connector described in one.
The technical solution of the utility model, by opening up interconnected first in the shell as the second conductive terminal
Slot and the second slot, first conductive terminal are inserted in first slot and are with the setting of first slot interval
Realize insulation, when the connecting column of the male connector is inserted into second slot, the connecting column is by first conductive terminal
It is connected to the second conductive terminal, first conductive terminal is used to receive the detectable signal of main equipment, and by the detectable signal
Second conductive terminal is sent to by the connecting column, and the detectable signal is transferred to master and set by second conductive terminal
Standby detection circuit, thus by first conductive terminal, connecting column, the second conductive terminal and connection relationship instead of existing
The pin foot for whether carrying out whether hot plug connection and connection finish for detecting master and slave equipment in technology, has saved pin foot number
Resource is measured, very rare valuable pin foot in the male connector has especially been saved, to reduce the male connector and the heat
The overall cost of plug-in connector.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of an embodiment of the utility model hot plug connector；
Fig. 2 is the schematic diagram of the section structure of an embodiment of the utility model base；
Fig. 3 is the structural schematic diagram of an embodiment of the utility model male connector；
Fig. 4 is the section structure diagram of an embodiment of the utility model base；
Fig. 5 is the circuit connection diagram of an embodiment of two base of the utility model；
Fig. 6 is the circuit diagram of an embodiment of the utility model detection circuit.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
Also referring to Fig. 1-4, the utility model proposes a kind of hot plug connector 100, the hot plug connector
100 include: base 10 (see Fig. 2), and the base 10 includes shell 11 and use with the first slot 101 and the second slot 102
In the first conductive terminal 12 for receiving detectable signal, first conductive terminal 12 be set in first slot 101 and with
To realize insulation, second slot 102 is connected to first slot 101 for the cell wall interval setting of first slot 101；
Male connector 20 (see Fig. 3), the male connector 20 include an at least connecting column 21, and the connecting column 21 is pluggable to be set to described second
(see Fig. 1) in slot 102, when the connecting column 21 is plugged in second slot 102 with first conductive terminal 12, shell
First conductive terminal 12, shell 11 is connected in the contact of body 11, by the received detectable signal of first conductive terminal 12
It is issued from the shell 11 of base.
In the present embodiment, the hot plug connector 100 includes base 10 and the hot-swappable public affairs in the base 10
First 20.Interconnected the first slot 101 and the second slot 102 are formed on the shell 11, that is, be interconnected the
One slot 101 and the second slot 102 form a through-hole on the shell 11, so that the shell 11 of the base 10 is hollow knot
Structure, first slot 101 and the second slot 102 are inserted into the shell for first conductive terminal 12 and connecting column 21 respectively
In body 11.First conductive terminal 12 is inserted into first slot 101, still, first conductive terminal 12 with it is described
The cell wall interval of first slot 101 is arranged, that is, first conductive terminal 12 and the cell wall of first slot 101 do not connect
Touching, the shell 11 when the connecting column 21 of the male connector 20 is not inserted into the shell 11, as the second conductive terminal base
It is not turned on the first conductive terminal 12.
In the present embodiment, second slot 102 is inserted into the shell 11 for the connecting column 21 of the male connector 20, institute
The connecting column 21 for stating male connector 20 is connect with the cell wall of second slot 102, and due to first slot 101 and the second slot
102 are interconnected, and the connecting column 21 can be arranged in second slot 102 and lead with first in first slot 101
Electric terminal 12 abuts, and the connecting column 21 connects first conductive terminal 12 with the second conductive terminal as connection intermediary
To together and realizing electrically conducting.
Specifically, the cell wall of the connecting column 21 and second slot 102, which can be, snaps connection, and is also possible to screw thread
Connection, when the connecting column 21 stretches to extreme position, the connecting column 21 simultaneously with first conductive terminal 12, second
Conductive terminal electrically conducting.
In conclusion the technical solution of the utility model, by opening up phase on the shell 11 as the second conductive terminal
Intercommunicated the first slot 101 and the second slot 102, first conductive terminal 12 be inserted in first slot 101 and
Setting is spaced with first slot 101 and realizes insulation, when the connecting column 21 of the male connector 20 is inserted into second slot 102
When, first conductive terminal 12 is connected to by the connecting column 21 with the second conductive terminal, and first conductive terminal 12 is used for
The detectable signal of main equipment is received, and the detectable signal is sent to second conductive terminal by the connecting column 21,
The detectable signal is transferred to the detection circuit of main equipment by second conductive terminal, to pass through first conductive terminal
12, connecting column 21, the second conductive terminal and connection relationship are instead of in the prior art for detecting whether master and slave equipment carries out heat
The pin foot whether plug connection and connection finish, has saved pin foot quantity resource, has especially saved ten in the male connector 20
Divide rare valuable pin foot, to reduce the overall cost of the male connector 20 and the hot plug connector 100.
Preferably, referring to Figure 2 together, 4, first conductive terminal 12 is prolonged far from one end of first slot 101
Stretch out the first pin 121 with first conductive terminal 12 conducting；11 outer surface of shell extend at least one with it is described
The second pin 111 that shell 11 is connected.
In the present embodiment, extend first from first conductive terminal 12 far from one end of first slot 101
Pin 121 carries out welding or grafting convenient for pin corresponding with the detection circuit of main equipment, similarly, outside the shell 11
The second pin 111 of at least one with the shell 11 conducting are extended in surface, draw convenient for corresponding with the detection circuit of main equipment
Foot carries out welding or grafting.And it is further preferred that the quantity of the second pin 111 is two, by two described second
The pin corresponding with detection circuit of pin 111 carries out welding or grafting, to enhance the shell 11 (the second conductive terminal)
The stability being electrically connected between pin corresponding with detection circuit.
Preferably, referring to Figure 2 together, 4, the cell wall of second slot 102 is provided with internal screw thread 1021, the connection
Be provided with external screw thread (not shown) on column 21, the cell wall of the connecting column 21 and second slot 102 be threadedly engaged and with institute
It states the first conductive terminal 12 and abuts the first conductive terminal of realization 12 and the conducting of shell 11.
In the present embodiment, the cell wall of the connecting column 21 and second slot 102 is realized in a manner of being threadedly engaged
It is bonded, meanwhile, electrically conducting is realized, when the cell wall precession of relatively described second slot 102 of the connecting column 21 is to the limit
When position, the top of the connecting column 21 is abutted with one end that first conductive terminal 12 protrudes into first slot 101,
At this point, the connecting column 21 is contacted with first conductive terminal 12, shell 11, and the connecting column 21, the first conducting end
Son 12 and shell 11 be made of electrically conductive material, therefore, can be realized by the connecting column 21 first conductive terminal 12,
Electrically conducting between shell 11.
It is understood that the cell wall of the connecting column 21 and first slot 101 can also be using snapping connection
Mode, only need to can be realized by between first conductive terminal 12, shell 11 electrically conducting, simultaneously but can be by the connection
Column 21 is extracted from second slot 102 so that being not turned between the first conductive terminal 12, shell 11
Preferably, referring to Figure 2 together, 4, first conductive terminal 12 is set to one in first slot 101
End is provided with elastic component 13, abuts when the connecting column 21 is inserted in second slot 102 with the elastic component 13.
In the present embodiment, the elastic component 13 may be, for example, spring, has elasticity and is made of an electrically conducting material, the company
When connecing column 21 and being inserted in second slot 102, abutted with the elastic component 13, and squeeze the elastic component 13, described
It is formed with active force and reaction force between connecting column 21 and spring, the connecting column 21 is compressed with elastic component 13, is enhanced
The reliability of electrically conducting between the connecting column 21 and elastic component 13.
Preferably, referring to Figure 2 together, it is set between first conductive terminal 12 and the cell wall of first slot 101
It is equipped with insulating part 14.
In the present embodiment, the insulating part 14 may be, for example, plastic cement or rubber parts etc., and the insulating part 14, which can wrap, to be set
In first conductive terminal 12 side wall corresponding with the cell wall of first slot 101, to realize first conductive terminal
Insulation between 12 and the cell wall of first slot 101, but the insulating part 14 retains first conductive terminal 12
End is exposed, realizes electrically conducting to contact by the exposed end portion of first conductive terminal 12 with the connecting column 21,
When one end that first conductive terminal 12 is set in first slot 101 is provided with elastic component 13, then need described in holding
Elastic component 13 is exposed.
Preferably, Fig. 3,5 are please referred to, the quantity of the base 10 is two (P1, P2 shown in Fig. 5), the male connector 20
Including two connecting columns 21 (see Fig. 3), each connecting column 21 (schemes first conductive terminal 12 in each base 10
Pin B shown in 5) be connected with shell 11 (pin A shown in Fig. 5), two bases 10 as the second conductive terminal
11 mutual conduction of shell；Wherein, first conductive terminal 12 is for receiving detectable signal, and the shell through two mutual conductions
Body 11 is sent to another first conductive terminal 12 to issue the detectable signal.
In the present embodiment, by the way that two bases 10 are arranged, two connecting columns 21 of the male connector 20 are plugged in described two
In a base 10, and two bases 10 are fixed on the main equipment, to enhance the company of the male connector 20 and the base 10
Connect stability；Meanwhile only in each connecting column 21 by first conductive terminal 12 and shell in each base 10
11 conductings, first conductive terminal 12 can shells 11 the detectable signal received, by two mutual conductions
It is sent to another first conductive terminal 12, another first conductive terminal 12 could issue the detectable signal, when
When first conductive terminal 12 in a base 10 is connected only one connecting column 21 with shell 11, due to another base
First conductive terminal 12 in 10 is not turned on shell 11, and the detectable signal will be unable to issue, to enhance the public affairs
First 20 with the reliability and safety of 10 electrical communication of base,
Preferably, referring to Fig. 6, the hot plug connector 100 further includes detection circuit, the detection circuit includes the
One electronic switch Q1 and the second electronic switch Q2, the first electronic switch Q1 and the second electronic switch Q2 includes three ends,
In: described one end first electronic switch Q1 is connected to the first conductive terminal 12 for issuing detectable signal DETECT；First electricity
The sub switch Q1 other end is connected to the second electronic switch Q2；The first electronic switch Q1 further holds ground connection；Described second
The one end electronic switch Q2 is connected to the first electronic switch Q1；The second electronic switch Q2 other end is connected to external electrical
Source；One end is used to export the voltage of external power supply the second electronic switch Q2 again.
In the present embodiment, the first electronic switch Q1 can be transistor, and the second electronic switch Q2 can
For field-effect tube, described one end first electronic switch Q1 namely base stage B are connected to the first conductive terminal 12 for issuing detectable signal；
The first electronic switch Q1 other end namely collector C are connected to the second electronic switch Q2；First electronic switch
One end namely emitter E are grounded Q1 again；Described one end second electronic switch Q2 namely grid G are connected to first electronic switch
Q1；The second electronic switch Q2 other end namely source S are connected to external power supply；The one end again the second electronic switch Q2
I.e. drain D is for exporting the voltage of external power supply.
In the present embodiment, when the base stage of the first electronic switch Q1 receives the detectable signal, described first
Electronic switch Q1 conducting, at this point, collector C is pulled down to low level by the emitter E of the first electronic switch Q1, due to described
The grid G of second electronic switch Q2 is connect with the collector C, and the grid G of the second electronic switch Q2 is also low level, institute
It states the second electronic switch Q2 to be also switched on, the source S for being connected to the second electronic switch Q2 of external power supply passes external power supply
It is sent to the drain D of the second electronic switch Q2, and the drain electrode of the second electronic switch Q2 is connected to from equipment, is supplied to from equipment
Electricity, to realize the normal data transfer between master-slave equipment.It is understood that any type switched by conversion electron
And quantity realizes the function of the above-mentioned detection circuit of the utility model, should be included in the protection scope of the utility model it
It is interior.
Preferably, referring to Fig. 6, being connected with current-limiting resistance R2 between the first electronic switch Q1 and the first conductive terminal 12,
The first electronic switch Q1 be connected between one end of the first conductive terminal 12 and one end that its own is grounded be connected with it is in parallel
The divider resistance R3 and filter capacitor C1 of setting；The second electronic switch Q2 is connected to one end and its own company of external power supply
It is connected between one end of the first electronic switch Q1 and is connected with biasing resistor R1.
In the present embodiment, between the first electronic switch Q1 and the first conductive terminal 12 namely the first electronic switch Q1
It is connected with current-limiting resistance on base stage B, for preventing the electric current sent from the first conductive terminal 12 is excessive from burning out the first electronics
Switch Q1.The first electronic switch Q1 is connected to one end of the first conductive terminal 12 namely the base stage B of the first electronic switch Q1
The divider resistance R3 being arranged in parallel and filter capacitor C1 is connected between one end namely emitter E of its own ground connection, it is described
Divider resistance R3 prevents the overtension for being supplied to the first electronic switch Q1 from burning out first electronic switch for dividing
Q1, under normal circumstances, the base voltage of the first electronic switch Q1, which is greater than 0.7V, to be connected, and the filter capacitor C1 is led from first
The noise that electric terminal 12 is sent, so that the first electronic switch Q1 is normally opened when receiving detectable signal.
To achieve the above object, the utility model also provides a kind of electronic equipment, and the electronic equipment includes as described above
Hot plug connector 100.In the present embodiment, the electronics is set including main equipment such as television set complete machine and for example only from equipment
Render meritorious service to put, terminal board etc., the main equipment includes the base 10, it is described from equipment include male connector 20, the public affairs from equipment
First 20 hot plug is in the base 10 of the main equipment.Since the electronic equipment includes that hot plug as described above connects
Device 100 is connect, therefore at least with the beneficial effect of hot plug connector 100 as described above, details are not described herein.
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,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of hot plug connector, which is characterized in that the hot plug connector includes:
Base, the base include that the shell with the first slot and the second slot and first for receiving detectable signal are conductive
Terminal, first conductive terminal are set in first slot and are arranged with the cell wall interval of first slot to realize
Insulation, second slot are connected to first slot；
Male connector, the male connector include an at least connecting column, and the connecting column is pluggable to be set in second slot, the company
It connects to contact when column is plugged in second slot with first conductive terminal, shell and makes first conductive terminal, shell
Conducting issues the received detectable signal of the first conductive terminal from the shell of base.
2. hot plug connector as described in claim 1, which is characterized in that first conductive terminal is inserted far from described first
Extend the first pin be connected with first conductive terminal in one end of slot；The housing outer surface extends at least one and institute
State the second pin of shell conducting.
3. hot plug connector as claimed in claim 2, which is characterized in that the quantity of the second pin is two.
4. hot plug connector as described in claim 1, which is characterized in that the cell wall of second slot is provided with interior spiral shell
Line, is provided with external screw thread on the connecting column, and the cell wall of the connecting column and second slot is threadedly engaged and with described the
One conductive terminal, which abuts, realizes that the first conductive terminal is connected with shell.
5. hot plug connector as described in claim 1, which is characterized in that first conductive terminal is set to described first
One end in slot is provided with elastic component, and the connecting column abuts when being inserted in second slot with the elastic component.
6. hot plug connector as described in claim 1, which is characterized in that first conductive terminal and first slot
Cell wall between be provided with insulating part.
7. hot plug connector as claimed in any one of claims 1 to 6, which is characterized in that
The quantity of the base is two, and the male connector includes two connecting columns, and each connecting column will be in each base
First conductive terminal is connected with shell, the shell mutual conduction as the second conductive terminal of two bases；
Wherein, first conductive terminal is for receiving detectable signal, and the shell through two mutual conductions be sent to it is another
First conductive terminal is to issue the detectable signal.
8. hot plug connector as claimed in claim 7, which is characterized in that the hot plug connector further includes detection electricity
Road, the detection circuit include the first electronic switch and the second electronic switch, first electronic switch and the second electronic switch
It include three ends, in which:
First electronic switch one end is connected to the first conductive terminal for issuing detectable signal；
The first electronic switch other end is connected to second electronic switch；
First electronic switch further holds ground connection；
Second electronic switch one end is connected to first electronic switch；
The second electronic switch other end is connected to external power supply；
One end is used to export the voltage of external power supply second electronic switch again.
9. hot plug connector as claimed in claim 8, which is characterized in that between the first electronic switch and the first conductive terminal
It is connected with current-limiting resistance, first electronic switch is connected between one end of the first conductive terminal and one end of its own ground connection
It is connected with the divider resistance and filter capacitor being arranged in parallel；Second electronic switch be connected to external power supply one end and its from
Body is connected between one end of the first electronic switch and is connected with biasing resistor.
10. a kind of electronic equipment, which is characterized in that the electronic equipment includes that the described in any item heat of claim 1-9 such as are inserted
Pull out connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298541.5U CN209357955U (en) | 2019-03-07 | 2019-03-07 | Hot plug connector and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298541.5U CN209357955U (en) | 2019-03-07 | 2019-03-07 | Hot plug connector and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209357955U true CN209357955U (en) | 2019-09-06 |
Family
ID=67803961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920298541.5U Active CN209357955U (en) | 2019-03-07 | 2019-03-07 | Hot plug connector and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209357955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567839A (en) * | 2021-07-29 | 2021-10-29 | 深圳市火乐科技发展有限公司 | Circuit detection system and projection equipment |
-
2019
- 2019-03-07 CN CN201920298541.5U patent/CN209357955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567839A (en) * | 2021-07-29 | 2021-10-29 | 深圳市火乐科技发展有限公司 | Circuit detection system and projection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW594544B (en) | Interface device for automatically determining peripherals and electronic device having such a function | |
| WO2018113378A1 (en) | Device for detecting plugging state of electrical connector, and receptacle and plug of electrical connector | |
| CN204131189U (en) | The two-sided USB adapter of multiplex roles | |
| CN209357955U (en) | Hot plug connector and electronic equipment | |
| CN209028159U (en) | Battery access state detection circuit and connector | |
| CN206135456U (en) | Two -way USB power supply system | |
| CN214412881U (en) | TypeC and HDMI two-in-one transmission display control circuit and device | |
| CN111180932A (en) | Automatic power supply and interruption type USB female connector | |
| CN212486763U (en) | Earphone box-entering detection circuit and TWS earphone | |
| CN213878666U (en) | Connecting wire and connecting head of connecting wire | |
| CN205194982U (en) | Socket with USB interface | |
| CN204558739U (en) | A kind of safety socket | |
| CN203119505U (en) | Infrared information transmission circuit and device thereof for electric system error-preventing key | |
| CN216083035U (en) | Battery detection device and system | |
| CN206370678U (en) | A kind of USB interface of computer output voltage detects protection circuit | |
| CN201252314Y (en) | Connecting device used between apple brand notebook computer and power supply device | |
| CN202931539U (en) | Control circuit of audio frequency equipment and audio frequency play system | |
| CN219843443U (en) | Power supply control circuit, main body of cleaning device and cleaning device | |
| CN202917671U (en) | Electrical device for hot plug | |
| CN215343062U (en) | Double-plug module connector | |
| CN219369968U (en) | Insertion detection circuit, USB female seat and electronic equipment | |
| CN217562986U (en) | Wiring harness connector and testing device | |
| CN217691976U (en) | Remote control structure for computer case switch | |
| CN212542917U (en) | Multi-joint data line device | |
| CN204732544U (en) | A kind of Self-fastening circuit rigid line joint fixing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |