CN208489154U - A kind of preliminary filling D.C. contactor - Google Patents
A kind of preliminary filling D.C. contactor Download PDFInfo
- Publication number
- CN208489154U CN208489154U CN201821182376.9U CN201821182376U CN208489154U CN 208489154 U CN208489154 U CN 208489154U CN 201821182376 U CN201821182376 U CN 201821182376U CN 208489154 U CN208489154 U CN 208489154U
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- Prior art keywords
- preliminary filling
- circuit board
- contactor
- installation cavity
- terminal
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Abstract
The utility model discloses a kind of preliminary filling D.C. contactor, including shell, shell form with the installation cavity that separates in shell for installing the inner space of components, be fixed in installation cavity can play pre-charging capacitor and timing turning off flow through its electric current circuit board；Above structure forms installation cavity on shell, circuit board with pre-charging capacitor and timing function is encased in the preliminary filling D.C. contactor that composition in installation cavity has pre-charging capacitor function, D.C. contactor in the prior art and preliminary filling device are optimized, reduce volume, so that occupying little space for preliminary filling D.C. contactor, easy to operate, cost is relatively low for it, and circuit board has timing function, so that preliminary filling D.C. contactor can cut off the electric current of circuit board within the set time always, convenient for control.
Description
Technical field
The utility model relates to contactor technical fields, and in particular to a kind of preliminary filling D.C. contactor.
Background technique
The D.C. contactor of the prior art usually requires the preliminary filling device in parallel for being used for pre-charging capacitor in circuit, is accessing
When DC current, electric current can be shunted by preliminary filling device and D.C. contactor, after a period of time electric current is stablized, be disconnected prefilled
It sets, so that electric current only passes through D.C. contactor in circuit；In this way, just needing to connect preliminary filling device in wiring harness and direct current connects
Two components of tentaculum, the component number for needing to carry when assembly is more, and volume is big, and the installation space of occupancy is big, troublesome in poeration,
Also increase cost.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome D.C. contactor in the prior art and preliminary filling device
It is big to occupy installation space, troublesome in poeration, the defect of higher cost operates conveniently so that it is small to provide a kind of occupancy installation space, and
Lower-cost preliminary filling D.C. contactor.
A kind of preliminary filling D.C. contactor, including shell, the shell form and are used to install components in the shell
The installation cavity that separates of inner space, pre-charging capacitor can be played and timing turning off flows through its electricity by being fixed in the installation cavity
The circuit board of stream.
The circuit board is connected with the relay for pre-charging capacitor, sets up the resistance of pre-charging capacitor, and for timing
Time chip.
The installation cavity takes shape in the lateral surface of the shell.
The circuit board is connected by connection structure with the terminal of the preliminary filling D.C. contactor.
The connection structure includes with the circuit connection of the circuit board and across the installation cavity and the inner space
Between demarcation plate conducting rod, and the conduct piece for being set on terminal and being connect with the conducting rod.
The conduct piece include form the set hole portion of sets of holes for being suitable for being set on the terminal, and with the set hole portion
Connection and the conductive part extended to the conducting rod, the conductive part, which connect one end with the conducting rod and forms, is suitable for described lead
The conductive hole that electric pole passes through.
Form the flange of the axis extending direction setting along the sets of holes hole week of the sets of holes.
The terminal is in rectangular configuration；It is in rectangular configuration with the set hole portion of terminal cooperation.
The external wire of the circuit board from be equipped with the terminal the inner space draw, the external wire with
Conducting rod is provided between the circuit board.
The circuit board glue sealing schedules the installation cavity.
1. preliminary filling D.C. contactor provided by the utility model, including shell, shell forms and is used to install in shell
The installation cavity that the inner spaces of components separates, pre-charging capacitor can be played and timing turning off flows through its by being fixed in installation cavity
The circuit board of electric current；Above structure forms installation cavity on shell, and the circuit board with pre-charging capacitor and timing function is packed into
Composition has the preliminary filling D.C. contactor of pre-charging capacitor function in installation cavity, to D.C. contactor in the prior art and preliminary filling
Device optimizes, and reduces volume, so that occupying little space for preliminary filling D.C. contactor, easy to operate, cost is relatively low, and
Circuit board has timing function, so that preliminary filling D.C. contactor can cut off the electric current of circuit board within the set time always, just
In control.
2. preliminary filling D.C. contactor provided by the utility model, circuit board passes through connection structure and preliminary filling D.C. contactor
Terminal conducting；Connection structure include the circuit connection with circuit board and separate installation cavity and inner space demarcation plate conduction
Bar, and the conduct piece for being set on terminal and being connect with conducting rod；Above structure utilization is connect with circuit board and terminal respectively
Conducting rod is connected with conduct piece, realizes the connection of circuit, circuit board and conducting rod, terminal and conduct piece and conducting rod and conduction
It belongs to be rigidly connected between part, connection is reliable, and especially conduct piece is not fallen out after being set on terminal, and electrical connection properties
It is good, so that the electrical connection properties between circuit board and terminal are stablized, and convenience is installed；Above structure is easy to hiding, so that preliminary filling
The good ornamental performance of D.C. contactor.
3. preliminary filling D.C. contactor provided by the utility model, the hole week of sets of holes forms the axis extending direction along sets of holes
The flange of setting；Flange in above structure can increase the contact area of conduct piece and terminal, improve the reliability of connection.
4. preliminary filling D.C. contactor provided by the utility model, terminal are in rectangular configuration；With terminal cooperation set hole portion be in
Rectangular configuration；Above structure is that conduct piece rotates on terminal in order to prevent, influences what conduct piece was connect with conducting rod
Stability.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of preliminary filling D.C. contactor provided by the utility model；
Fig. 2 is the schematic diagram of another angle of preliminary filling D.C. contactor shown in FIG. 1；
Fig. 3 is the structural schematic diagram of conduct piece shown in Fig. 2；
Description of symbols: 1, shell；11, fixed part；2, installation cavity；3, circuit board；31, relay；32, resistance；33,
Time chip；4, inner space；5, terminal；6, conducting rod；7, conduct piece；71, hole portion is covered；711, sets of holes；712, flange；72,
Conductive part；721, conductive hole；8, external wire.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1, preliminary filling D.C. contactor is mainly used to control DC circuit comprising the shell of integrated injection molding
1, the installation cavity 2 that the shell 1 forms the inner space 4 for installing components and separates with the inner space 4 is described
Be fixed in installation cavity 2 can play buffer current and timing turning off flow through its electric current circuit board 3；The circuit board 3 connects
There are the relay 31 for buffer current, the resistance 32 of protective relay 31, and the time chip 33 for timing.
It should be noted that the relay 31 can be fixed on circuit board 3, the installation can also be external in by conducting wire
Chamber 2 outside, this mainly according in circuit electric current and voltage determine, if the electric current and voltage in circuit are big, need
The volume of relay 31 is big, and circuit board 3 can not accommodate the relay 31, and relay 31 can only be external.
Above structure forms the installation cavity 2 on the shell 1, will have the electricity of pre-charging capacitor and timing function
Road plate 3 is encased in the installation cavity 2, and composition has the preliminary filling D.C. contactor of pre-charging capacitor function, to the prior art
In D.C. contactor and preliminary filling device optimize, reduce volume so that the preliminary filling D.C. contactor occupies little space,
Easy to operate, cost is relatively low, and the circuit board 3 has timing function, so that the preliminary filling D.C. contactor always can
The electric current of the circuit board 3 is cut off, within the set time convenient for control.
In the present embodiment, the installation cavity 2 takes shape in the lateral surface of the shell 1, this is circuit in order to facilitate the installation of
Plate 3；It should be noted that in other embodiments, the installation cavity 2 can also be installed on needs according to the actual situation described
The inside of inner space 4 or the bottom of the shell 1 etc..
Further, as shown in Fig. 2, the terminal 5 for connecting circuit is drawn from the inner space 4, the circuit board 3 is logical
The terminal 5 for crossing connection structure and the preliminary filling D.C. contactor is connected；The connection structure includes and the circuit board 3
The conducting rod 6 of circuit connection and the demarcation plate across the installation cavity 2 and the inner space 4, and it is set in terminal 5
Conduct piece 7 that is upper and being connect with the conducting rod 6.
Above structure is connected using the conducting rod 6 and conduct piece 7 connecting respectively with the circuit board 3 and terminal 5, real
The connection of existing circuit, the circuit board 3 and conducting rod 6, the terminal 5 and conduct piece 7 and the conducting rod 6 and conduct piece 7
Between belong to be rigidly connected, connection is reliable, and the especially described conduct piece 7 is not fallen out after being set on the terminal 5, and electricity
Switching performance is good, so that the electrical connection properties between the circuit board 3 and the terminal 5 are stablized, and installs convenience；Above structure
It is easy to hiding, so that the good ornamental performance of the preliminary filling D.C. contactor.
Specifically, as shown in figure 3, the conduct piece 7 includes forming the sets of holes 711 for being suitable for being set on the terminal 5
Set hole portion 71, and connect with the set hole portion 71 and to the conductive part 72 that the conducting rod 6 extends, the conductive part 72 and institute
It states the connection of conducting rod 6 one end and forms the conductive hole 721 passed through suitable for the conducting rod 6；The conducting rod 6 and the conduct piece
7 are made of metal material；Wherein, the junction that the terminal 5 is connect with the conduct piece 7 is in rectangular configuration, with the end
The sets of holes 711 of 5 cooperation of son are also in rectangular configuration, and in other embodiments, the terminal 5 can be other and make described lead
The structure that electric part 7 can not rotate on the terminal 5, such as hexgonal structure, the sets of holes 711 are suitable for being set in described and institute
It states on terminal 5.
Above structure from the reliability being connect with the terminal 5, guarantee it is same with 5 electrical connection properties of terminal
When, also to guarantee that conducting rod 6 and 7 electrical connection properties of conduct piece, the conduct piece 7 devise the sets of holes connecting with the terminal 5
Portion 71 and the conductive part 72 connecting with the conducting rod 6, the set hole portion 71 are metal material integrated molding with conductive part 72,
In addition, forming the flange 712 of the axis extending direction setting along the sets of holes 711 the hole week of the sets of holes 711；
Above structure can increase the contact area of the conduct piece 7 and terminal 5, guarantee the reliability of connection.
In the present embodiment, the conductive part 72 is welded and fixed for 6 barrels of conducting rod with institute；This be in order to guarantee conducting rod 6 with
The reliability connected between conduct piece 7 prevents from contacting unstable.
In addition, the conducting rod 6 and the circuit board 3 are also by being welded and fixed.
Further, the external wire 8 of the circuit board 3 is drawn from the inner space for being equipped with the terminal 5, described
Conducting rod 6 is provided between external wire 8 and the circuit board 3；Above structure can enhance the sight of the preliminary filling D.C. contactor
Performance is appreciated, the connection of the external wire 8 is facilitated, also enhances the bonding strength of the external wire 8 and the circuit board 3, keeps away
Exempt from because causing circuit board 3 external due to pullling external wire 8.
In the present embodiment, the 3 glue sealing of circuit board schedules the installation cavity 2；This fixed form operation is convenient, and
Firmly the circuit board 3 can be fixed in installation cavity 2；Certainly, in other embodiments, other fixed forms can also be used
The circuit board 3 is fixed in the installation cavity 2.
In addition, the two sides of the shell 1 also form the fixed part 11 for fixing the preliminary filling D.C. contactor, it is fixed
Fixation hole is formed in portion 11.
In the present embodiment, other elements are additionally provided on the circuit board 3
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of preliminary filling D.C. contactor, including shell (1), which is characterized in that the shell (1) forms and the shell
(1) installation cavity (2) separated in for installing the inner space (4) of components, be fixed in the installation cavity (2) can play it is pre-
The circuit board (3) that charging is held, simultaneously timing turning off flows through its electric current.
2. preliminary filling D.C. contactor according to claim 1, which is characterized in that the circuit board (3) is connected with for pre-
Charge the relay (31) held, sets up the resistance (32) of pre-charging capacitor, and the time chip (33) for timing.
3. preliminary filling D.C. contactor according to claim 1, which is characterized in that the installation cavity (2) takes shape in the shell
The lateral surface of body (1).
4. preliminary filling D.C. contactor according to claim 1, which is characterized in that the circuit board (3) passes through connection structure
It is connected with the terminal (5) of the preliminary filling D.C. contactor.
5. preliminary filling D.C. contactor according to claim 4, which is characterized in that the connection structure includes that one end is connected to
Demarcation plate of the circuit, the other end of the circuit board (3) across the installation cavity (2) and the inner space (4) is led
Electric pole (6), and the conduct piece (7) for being set on the terminal (5) and being connect with the other end of the conducting rod (6).
6. preliminary filling D.C. contactor according to claim 5, which is characterized in that the conduct piece (7) is suitable including forming
In the set hole portion (71) for the sets of holes (711) being set on the terminal (5), and it connect with the set hole portion (71) and is led to described
The conductive part (72) that electric pole (6) extends, the conductive part (72), which connect one end with the conducting rod (6) and forms, is suitable for described lead
The conductive hole (721) that electric pole (6) passes through.
7. preliminary filling D.C. contactor according to claim 6, which is characterized in that the sets of holes (711) form in hole week
The flange (712) being arranged along the axis extending direction of the sets of holes (711).
8. preliminary filling D.C. contactor according to claim 6, which is characterized in that the terminal (5) is in rectangular configuration；With institute
The set hole portion (71) for stating terminal (5) cooperation is in rectangular configuration.
9. preliminary filling D.C. contactor according to claim 5, which is characterized in that the external wire (8) of the circuit board (3)
It draws from the inner space (4) for being equipped with the terminal (5), is set between the external wire (8) and the circuit board (3)
It is equipped with conducting rod (6).
10. preliminary filling D.C. contactor according to claim 1, which is characterized in that circuit board (3) the glue sealing schedules institute
State installation cavity (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182376.9U CN208489154U (en) | 2018-07-25 | 2018-07-25 | A kind of preliminary filling D.C. contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182376.9U CN208489154U (en) | 2018-07-25 | 2018-07-25 | A kind of preliminary filling D.C. contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489154U true CN208489154U (en) | 2019-02-12 |
Family
ID=65247636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821182376.9U Active CN208489154U (en) | 2018-07-25 | 2018-07-25 | A kind of preliminary filling D.C. contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489154U (en) |
-
2018
- 2018-07-25 CN CN201821182376.9U patent/CN208489154U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |