CN215451902U - Building automatic control DDC controller - Google Patents
Building automatic control DDC controller Download PDFInfo
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- CN215451902U CN215451902U CN202121363630.7U CN202121363630U CN215451902U CN 215451902 U CN215451902 U CN 215451902U CN 202121363630 U CN202121363630 U CN 202121363630U CN 215451902 U CN215451902 U CN 215451902U
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Abstract
The utility model provides a building self-control DDC controller, and relates to the technical field of building management equipment. The controller comprises a controller main body, wherein the controller main body is detachably connected with a wiring terminal strip; the wiring terminal strip comprises a plurality of terminal bodies which are connected in sequence; the end face of the controller main body is provided with a mounting groove, one end of the inner wall of the mounting groove is provided with a clamping groove, and the other end of the inner wall of the mounting groove is provided with a pressing assembly capable of stretching in the mounting groove; so that the installation and the dismantlement process of connecting wire are simple, convenient, need not to screw up through screwdriver one, only need through press rotate the plectrum can, its convenient operation, swift for the integrated device has higher practicality, has also improved work efficiency greatly.
Description
Technical Field
The utility model relates to the technical field of building management equipment, in particular to a building self-control DDC controller.
Background
Building automatic control refers to electrical equipment in a building, such as an elevator, a water pump, a fan, an air conditioner and the like, the main working property of the equipment is strong electric drive, the equipment is usually in an open working state, namely a closed loop is not formed, the equipment works as long as a power supply is connected, and as for the working state, the process, the energy consumption and the like, data cannot be obtained on line in time, and reasonable use and energy conservation are not mentioned. In the existing building automatic control, the electrical equipment is monitored on line, the working state of the equipment is detected by arranging a corresponding sensor, a travel switch, photoelectric control and the like, the working state is returned to a central computer for controlling a machine room through a line and a DDC (direct digital control) controller, an analysis result is obtained by the computer, and the analysis result is returned to an equipment terminal for mediation.
When the current DDC controller is used, an external control device is connected with the DDC controller through a connecting terminal, and when the connecting terminal is used, a wire is mostly screwed up through a screw, so that the purpose of electric conduction is realized, and the following problems exist when the DDC controller is used:
1. the screw is fixed, so that the connection efficiency is low and the workload is large when the screw is used;
2. the DDC controller has a lot of inconveniences in installation and disassembly of the whole body at present.
Therefore, how to design a building self-control DDC controller is a problem which is urgently needed to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a building self-control DDC controller to solve the problems in the prior art.
The embodiment of the utility model is realized by the following steps:
the embodiment of the application provides a building self-control DDC controller, which comprises a controller main body, wherein the controller main body is detachably connected with a wiring terminal strip; the wiring terminal block comprises a plurality of terminal main bodies which are connected in sequence; the terminal surface of controller main part is provided with the mounting groove, and the one end of mounting groove inner wall is provided with the draw-in groove, and the other end is provided with the subassembly that presses that can stretch out and draw back in the mounting groove.
In some embodiments of the present invention, a plug capable of extending into the mounting port of the controller main body is formed at one end of the terminal main body, and a mounting cavity is formed inside the other end of the terminal main body; the installation cavity is internally and fixedly connected with a conductive piece, and when the terminal main body is spliced with the controller main body, the conductive piece is conducted with a circuit in the controller main body;
the side wall of the terminal main body is provided with a jack communicated with the mounting cavity; the locking part is rotatably connected in the mounting cavity and used for pressing a lead which needs to be connected with the controller main body onto the upper end face of the conductive part.
In some embodiments of the present invention, the locking member includes a locking block, a rotary shifting piece and a limiting and resisting rod;
a cavity is arranged in the locking block, one end of the rotating shifting piece is positioned in the cavity, the other end of the rotating shifting piece extends out of the cavity, and the rotating shifting piece is rotatably connected with the inner wall of the cavity through a rotating shaft;
the locking block penetrates through a through hole communicated with the cavity, the limiting abutting rod is located in the through hole, one end of the limiting abutting rod is connected with the rotating shifting piece in a sliding mode, and the other end of the limiting abutting rod extends out of the through hole and is connected with a limiting groove formed in the inner wall of the mounting cavity in an inserting mode.
In some embodiments of the present invention, two of the limiting and abutting rods are symmetrically arranged on two sides of the cavity; the rotating shifting piece is positioned in the cavity, and the thickness of the rotating shifting piece is gradually reduced.
In some embodiments of the present invention, the lower end surface of the locking block is provided with an elastic component for pressing the conducting wire; the elastic assembly comprises a plurality of telescopic springs and a contact plate, and the two ends of each telescopic spring are fixedly connected with the contact plate and the locking block respectively.
In some embodiments of the present invention, the lower end surface of the contact plate is provided with a rubber layer.
In some embodiments of the present invention, the pressing assembly includes a pressing plate and an adjusting assembly connected to the pressing plate; the adjusting component is positioned in the controller main body, and the locking end of the adjusting component can stretch out and draw back in the mounting groove.
In some embodiments of the present invention, the adjusting assembly includes a compression spring, and a connecting rod, a connecting guide rod, and a clamping plate connected in sequence;
the middle part of the connecting guide rod is rotatably connected through a rotating shaft, one end of the connecting guide rod is rotatably connected with the connecting rod, and the other end of the connecting guide rod is fixedly connected with the clamping plate; two ends of the compression spring are respectively fixedly connected with the connecting rod and the controller main body; when pressing the pressure strip, can make the cardboard stretch out and draw back in the mounting groove.
In some embodiments of the present invention, the controller further includes a voltage reduction circuit for supplying power to the controller main body, a charge/discharge protection circuit, and a reference circuit.
In some embodiments of the present invention, the voltage reduction circuit includes a transformer T1, a lightning arrester F1, a rectifier bridge D1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, an inductor L1, an inductor L2, a resistor R1, a variable resistor R2, a diode D1, and a voltage regulator LM 1;
the input end of the transformer T1 is connected with a mains supply, the output end of the transformer T1 is connected with the input ends of the lightning arrester F1 and the rectifier bridge D1 to form a loop, one end of the output end of the rectifier bridge D1 is sequentially connected with one end of a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5 and one end of a capacitor C6, and is connected with a first pin of the voltage regulator LM1 in parallel, and an inductor L1 is connected between the capacitor C3 and the capacitor C4; the other end of the output end of the rectifier bridge D1 is connected to the ground and is sequentially connected with the other ends of the capacitor C1, the capacitor C2, the capacitor C3, the capacitor C4, the capacitor C5 and the capacitor C6, the fourth pin of the voltage regulator LM1 is connected, and a resistor R1 is connected between the other end of the capacitor C6 and the fourth pin of the voltage regulator LM 1; a second pin of the voltage regulator LM1 is connected with a diode D1 and an inductor L2 in parallel, and the other ends of the diode D1 and the inductor L2 are connected with a capacitor C7; a fourth pin of the voltage regulator LM1 is connected with a capacitor C8 and a variable resistor R2 in parallel, and the other ends of the capacitor C8 and the variable resistor R2 are connected with the other end of the inductor L2; the third pin and the fifth pin of the voltage regulator LM1 are absolutely connected to the ground; the other end of the inductor L2 outputs a 24VDC end;
the charge-discharge protection circuit comprises a charge protection module, a battery BT1, a battery BT2, a battery BT3, a battery BT4, a battery BT5, a battery BT6, a discharge protection module and a diode D2;
the 24VDC end is connected with the input end of the diode D2, and the output end of the diode D2 is connected to the first pin of the charging protection module; a first pin of the charging protection module is connected to the ground; a third pin and a fourth pin of the charging protection module are respectively connected with a first pin and a second pin of the discharging protection module, and a battery BT1, a battery BT2, a battery BT3, a battery BT4, a battery BT5 and a battery BT6 which are sequentially connected in series are connected between the third pin and the fourth pin of the charging protection module; a third pin and a fourth pin of the discharge protection module respectively output a B + end and a B-end;
the reference circuit comprises a voltage regulator LM2, a voltage regulator LM3, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a diode D3, a diode D4, an inductor L3, an inductor L4, a resistor R3 and a variable resistor R4;
the B + end is connected with one end of the capacitor C11 and connected into the first pin of the voltage regulator LM2, and the B-end is connected with the other end of the capacitor C11 and connected into the fifth pin of the voltage regulator LM 2; a resistor R3 is connected between the fifth pin and the fourth pin of the voltage regulator LM 2; a fourth pin of the voltage regulator LM2 is connected with a variable resistor R4 and a capacitor C9 in parallel, the other ends of the variable resistor R4 and the capacitor C9 are connected with an output 18V + end, a third pin of the voltage regulator LM2 is connected with an input end of a diode D3 and one end of a capacitor C10 respectively and outputs an 18VGND end, and the 18VGND end is connected to the ground; the output end of the diode D3 and the other end of the capacitor C10 are connected to the inductor L3, and the output end of the diode D3 is connected to the second pin of the voltage regulator LM 2; the other end of the capacitor C10 is connected with an 18V + end;
the B + end is connected with one end of the capacitor C12 and connected into the first pin of the voltage regulator LM3, and the B-end is connected with the other end of the capacitor C12 and connected into the fifth pin of the voltage regulator LM 2; a third pin of the voltage regulator LM3 is connected to the input terminal of the diode D4 and one end of the capacitor C113, respectively, and outputs a 3.3VGND terminal, and the 3.3VGND terminal is connected to ground; the output end of the diode D4 and the other end of the capacitor C13 are connected to the inductor L4, and the output end of the diode D3 is connected to the second pin of the voltage regulator LM 3; the other end of the capacitor C10 outputs a 3.3V + terminal, and the fourth pin of the voltage regulator LM3 is connected to the 3.3V + terminal.
Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects: the rotating shifting piece is pressed downwards, namely the locking block is pressed downwards, so that the function of realizing the electric conduction between the connecting lead and the conductive piece is achieved; and at this moment, the upper end of the part of the rotating shifting piece in the cavity is abutted against the inner wall of the cavity, and the thickness of the part abutted against the limiting support rod reaches the maximum, so that the limiting support rod is supported out from the two sides of the locking block, the end part of the limiting block extending out of the through hole can be inserted into the limiting groove in the mounting cavity, and the purpose of fixing the locking block is achieved.
When the connecting wire is required to be detached, namely, the locking block is rotated, namely, the rotating shifting piece is required to be operated, the rotating shifting piece is operated to rotate upwards, namely, the rotating shifting piece rotates anticlockwise, so that the part of the rotating shifting piece positioned in the cavity rotates, the part of the rotating shifting piece contacting with the limiting abutting rod is enabled to rotate, when the rotating shifting piece rotates, the thickness of the rotating shifting piece is gradually reduced, the limiting abutting rod is always in sliding connection with the rotating shifting piece, and when the rotating shifting piece rotates, the part of the limiting abutting rod inserted into the limiting groove in the installation cavity is pulled out, so that the rotation of the locking block can be realized, and finally, the purpose of detaching the connecting wire is achieved.
The installation and the dismantlement of this structure to connecting wire of application for its installation dismantlement process is simple, convenient, need not to screw up through screwdriver one, only need through press down rotate the plectrum can, its convenient operation, swift, make the integrated device have higher practicality, also improved work efficiency greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic overall structure diagram according to an embodiment of the present invention;
FIG. 2 is a side view of a controller body in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a pressing assembly according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a terminal body in an embodiment of the utility model;
FIG. 5 is a schematic view of the connection between the locking block and the rotary paddle according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a locking segment according to an embodiment of the present invention;
FIG. 7 is a schematic view of the connection between the limiting lever and the rotating pick according to the embodiment of the present invention;
FIG. 8 is a schematic diagram of a voltage step-down circuit according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a charge/discharge protection circuit according to an embodiment of the present invention;
FIG. 10 is a diagram of a reference circuit according to an embodiment of the utility model.
Icon: 1. a controller main body; 2. a terminal block; 3. a terminal main body; 4. mounting grooves; 5. a card slot; 6. a plug; 7. a mounting cavity; 8. a conductive member; 9. a jack; 10. a locking block; 11. rotating the shifting sheet; 12. a limiting support rod; 13. a cavity; 14. a through hole; 15. a tension spring; 16. a touch plate; 17. a compression plate; 18. a connecting rod; 19. connecting the guide rod; 20. clamping a plate; 21. compressing the spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when using, the terms are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1 to 10, fig. 1 is a schematic overall structure diagram according to an embodiment of the present invention; fig. 2 is a side view of the controller main body 1 in the embodiment of the present invention; FIG. 3 is a schematic structural diagram of a pressing assembly according to an embodiment of the present invention; fig. 4 is a sectional view of the terminal body 3 in the embodiment of the present invention; FIG. 5 is a schematic view of the connection between the locking block 10 and the rotary pick 11 according to the embodiment of the present invention;
fig. 6 is a cross-sectional view of the locking segment 10 in an embodiment of the present invention; FIG. 7 is a schematic view of the connection between the limiting prop 12 and the rotary pick 11 according to the embodiment of the present invention; FIG. 8 is a schematic diagram of a voltage step-down circuit according to an embodiment of the present invention; FIG. 9 is a schematic diagram of a charge/discharge protection circuit according to an embodiment of the present invention; FIG. 10 is a diagram of a reference circuit according to an embodiment of the utility model.
The embodiment provides a building self-control DDC controller, which comprises a controller main body 1, wherein a wiring terminal strip 2 is detachably connected to the controller main body 1; the terminal block 2 comprises a plurality of terminal bodies 3 which are connected in sequence; the terminal surface of controller main part 1 is provided with mounting groove 4, and the one end of 4 inner walls in mounting groove is provided with draw-in groove 5, and the other end is provided with the subassembly that presses that can stretch out and draw back in mounting groove 4.
In this embodiment, a plug 6 capable of being inserted into the mounting port of the controller body 1 is formed at one end of the terminal body 3, and a mounting cavity 7 is formed inside the other end of the terminal body 3; a conductive piece 8 is fixedly connected in the mounting cavity 7, and when the terminal body 3 is inserted into the controller body 1, the conductive piece 8 is conducted with a circuit in the controller body 1;
the side wall of the terminal main body 3 is provided with an insertion hole 9 communicated with the mounting cavity 7; a locking member is rotatably connected in the mounting chamber 7 and is used for pressing a wire to be connected with the controller main body 1 against the upper end face of the conductive member 8.
When the terminal is used, through the arrangement of the terminal main body 3, a lead for connecting and controlling the main body of the terminal extends into the installation cavity 7 through the jack 9, the locking block 10 is rotated, so that the lower end face of the locking block 10 presses the lead for connection on the end face of the conductive piece 8, and through the arrangement of the locking block on the locking block 10, the locking block 10 achieves the locking effect in the installation cavity 7, so that the lead is locked.
And the end of the conductive piece 8 close to the plug 6 is a jack 9, the controller body 1 is provided with a groove inserted with the plug 6, that is, after the terminal body 3 is connected with the controller body 1, the jack 9 of the conductive piece 8 is inserted with a pin of the controller body 1, thereby achieving the purpose of electric conduction, and of course, the conductive piece 8 is made of conductive materials, such as copper, iron, aluminum, and the like.
The initial spacing between the locking piece 10 and the conducting member 8 is typically between 3-5mm, taking into account the thickness of the connecting wire.
In this embodiment, the locking member includes a locking block 10, a rotary shifting piece 11 and a limiting and resisting rod 12;
a cavity 13 is arranged in the locking block 10, one end of the rotary shifting piece 11 is positioned in the cavity 13, the other end of the rotary shifting piece 11 extends out of the cavity 13, and the rotary shifting piece 11 is rotatably connected with the inner wall of the cavity 13 through a rotating shaft;
the locking block 10 is penetrated with a through hole 14 communicated with the cavity 13, the limiting abutting rod 12 is positioned in the through hole 14, one end of the limiting abutting rod 12 is connected with the rotating shifting piece 11 in a sliding mode, and the other end of the limiting abutting rod 12 extends out of the through hole 14 to be connected with a limiting groove formed in the inner wall of the mounting cavity 7 in an inserting mode.
In this embodiment, two limiting rods 12 are provided and symmetrically disposed on two sides of the cavity 13; the rotary paddle 11 is located in the cavity 13 and its thickness is gradually reduced.
That is, as shown in fig. 5 and fig. 7, referring to fig. 7, the thickness of the portion of the rotary paddle 11 located in the cavity 13 is gradually reduced, and referring to fig. 5, when in use, the rotary paddle 11 is pressed downward, that is, the locking block 10 is pressed downward, so as to achieve the function of conducting electricity between the connecting wire and the conductive member 8; and at this moment, the upper end of the part of the rotating shifting piece 11 in the cavity 13 is abutted against the inner wall of the cavity 13, and the thickness of the part abutted against the limiting abutting rod 12 reaches the maximum, so that the limiting abutting rod 12 is abutted out from the two sides of the locking block 10, the end part of the limiting block extending out of the through hole 14 can be inserted into the limiting groove in the mounting cavity 7, and the purpose of fixing the locking block 10 is achieved.
When the connecting lead needs to be detached, namely the locking block 10 is rotated, the locking block 10 needs to be rotated, the rotating shifting piece 11 needs to be operated, the rotating shifting piece 11 is operated to rotate upwards, as shown in fig. 5, namely, the rotating shifting piece rotates anticlockwise, so that the part of the rotating shifting piece 11, which is positioned in the cavity 13, rotates, the part of the rotating shifting piece 11, which is contacted with the limiting abutting rod 12, is gradually reduced in thickness during rotation, and because the limiting abutting rod 12 is always in sliding connection with the rotating shifting piece 11, when the rotating shifting piece 11 rotates, the part of the limiting abutting rod 12, which is inserted into the limiting groove in the mounting cavity 7, is drawn out, so that the rotation of the locking block 10 can be realized, and finally, the purpose of detaching the connecting lead is achieved.
The installation and the dismantlement of this structure to connecting wire of application for its installation dismantlement process is simple, convenient, need not to screw up through screwdriver one, only need through pressing down rotate plectrum 11 can, its convenient operation, swift, make the integrated device have higher practicality, also improved work efficiency greatly.
In this embodiment, an elastic component for pressing the wire is disposed on the lower end surface of the locking block 10; the elastic assembly comprises a plurality of telescopic springs 15 and a touch plate 16, and two ends of each telescopic spring 15 are fixedly connected with the touch plate 16 and the locking block 10 respectively.
In the present embodiment, the lower end surface of the abutting plate 16 is provided with a rubber layer. So that the locking block 10 has good conductive performance, and a gap is prevented from being formed between the connecting wire and the conductive member 8, thereby preventing the electronic ignition phenomenon and improving the installation performance.
In the present embodiment, the pressing assembly includes a pressing plate 17 and an adjusting assembly connected to the pressing plate 17; the adjusting component is positioned in the controller main body 1, and the locking end of the adjusting component can stretch out and draw back in the mounting groove 4.
As shown in fig. 2 and 3, in the present embodiment, the adjusting assembly includes a compression spring 21, and a connecting rod 18, a connecting guide rod 19, and a catch plate 20 connected in sequence;
the middle part of the connecting guide rod 19 is rotatably connected through a rotating shaft, one end of the connecting guide rod 19 is rotatably connected with the connecting rod 18, and the other end of the connecting guide rod 19 is fixedly connected with the clamping plate 20; two ends of the compression spring 21 are respectively fixedly connected with the connecting rod 18 and the controller main body 1; when the pressing plate 17 is pressed, the chucking plate 20 can be extended and contracted in the mounting groove 4.
When using, press pressure strip 17 promptly to make cardboard 20 move down, thereby retract in controller main part 1, and loosen pressure strip 17, cardboard 20 stretches out from mounting groove 4 again, thereby reaches the purpose of chucking mounting bar.
In this embodiment, the controller further includes a voltage step-down circuit, a charge/discharge protection circuit, and a reference circuit for supplying power to the controller main body 1.
In this embodiment, the voltage reduction circuit includes a transformer T1, a lightning arrester F1, a rectifier bridge D1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, an inductor L1, an inductor L2, a resistor R1, a variable resistor R2, a diode D1, and a voltage regulator LM 1;
the input end of the transformer T1 is connected with a mains supply, the output end of the transformer T1 is connected with the input ends of the lightning arrester F1 and the rectifier bridge D1 to form a loop, one end of the output end of the rectifier bridge D1 is sequentially connected with one end of a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5 and one end of a capacitor C6, and is connected with a first pin of the voltage regulator LM1 in parallel, and an inductor L1 is connected between the capacitor C3 and the capacitor C4; the other end of the output end of the rectifier bridge D1 is connected to the ground and is sequentially connected with the other ends of the capacitor C1, the capacitor C2, the capacitor C3, the capacitor C4, the capacitor C5 and the capacitor C6, the fourth pin of the voltage regulator LM1 is connected, and a resistor R1 is connected between the other end of the capacitor C6 and the fourth pin of the voltage regulator LM 1; a second pin of the voltage regulator LM1 is connected with a diode D1 and an inductor L2 in parallel, and the other ends of the diode D1 and the inductor L2 are connected with a capacitor C7; a fourth pin of the voltage regulator LM1 is connected with a capacitor C8 and a variable resistor R2 in parallel, and the other ends of the capacitor C8 and the variable resistor R2 are connected with the other end of the inductor L2; the third pin and the fifth pin of the voltage regulator LM1 are absolutely connected to the ground; the other end of the inductor L2 outputs a 24VDC end;
the charge-discharge protection circuit comprises a charge protection module, a battery BT1, a battery BT2, a battery BT3, a battery BT4, a battery BT5, a battery BT6, a discharge protection module and a diode D2;
the 24VDC end is connected with the input end of the diode D2, and the output end of the diode D2 is connected to the first pin of the charging protection module; a first pin of the charging protection module is connected to the ground; a third pin and a fourth pin of the charging protection module are respectively connected with a first pin and a second pin of the discharging protection module, and a battery BT1, a battery BT2, a battery BT3, a battery BT4, a battery BT5 and a battery BT6 which are sequentially connected in series are connected between the third pin and the fourth pin of the charging protection module; a third pin and a fourth pin of the discharge protection module respectively output a B + end and a B-end;
the reference circuit comprises a voltage regulator LM2, a voltage regulator LM3, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a diode D3, a diode D4, an inductor L3, an inductor L4, a resistor R3 and a variable resistor R4;
the B + end is connected with one end of the capacitor C11 and connected into the first pin of the voltage regulator LM2, and the B-end is connected with the other end of the capacitor C11 and connected into the fifth pin of the voltage regulator LM 2; a resistor R3 is connected between the fifth pin and the fourth pin of the voltage regulator LM 2; a fourth pin of the voltage regulator LM2 is connected with a variable resistor R4 and a capacitor C9 in parallel, the other ends of the variable resistor R4 and the capacitor C9 are connected with an output 18V + end, a third pin of the voltage regulator LM2 is connected with an input end of a diode D3 and one end of a capacitor C10 respectively and outputs an 18VGND end, and the 18VGND end is connected to the ground; the output end of the diode D3 and the other end of the capacitor C10 are connected to the inductor L3, and the output end of the diode D3 is connected to the second pin of the voltage regulator LM 2; the other end of the capacitor C10 is connected with an 18V + end;
the B + end is connected with one end of the capacitor C12 and connected into the first pin of the voltage regulator LM3, and the B-end is connected with the other end of the capacitor C12 and connected into the fifth pin of the voltage regulator LM 2; a third pin of the voltage regulator LM3 is connected to the input terminal of the diode D4 and one end of the capacitor C113, respectively, and outputs a 3.3VGND terminal, and the 3.3VGND terminal is connected to ground; the output end of the diode D4 and the other end of the capacitor C13 are connected to the inductor L4, and the output end of the diode D3 is connected to the second pin of the voltage regulator LM 3; the other end of the capacitor C10 outputs a 3.3V + terminal, and the fourth pin of the voltage regulator LM3 is connected to the 3.3V + terminal.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A building self-control DDC controller is characterized by comprising a controller main body, wherein the controller main body is detachably connected with a wiring terminal row; the wiring terminal strip comprises a plurality of terminal bodies which are connected in sequence; the terminal surface of controller main part is provided with the mounting groove, the one end of mounting groove inner wall is provided with the draw-in groove, and the other end is provided with the subassembly that presses that can stretch out and draw back in the mounting groove.
2. A building self-control DDC controller as recited in claim 1, wherein one end of said terminal body forms a plug that can be inserted into a controller body mounting port, and a mounting cavity is provided inside the other end of said terminal body; a conductive piece is fixedly connected in the installation cavity, and when the terminal main body is spliced with the controller main body, the conductive piece is conducted with a circuit in the controller main body;
the side wall of the terminal main body is provided with a jack communicated with the mounting cavity; the locking piece is rotatably connected in the mounting cavity and used for pressing a lead which needs to be connected with the controller main body onto the upper end face of the conductive piece.
3. A building self-control DDC controller as recited in claim 2, wherein said locking member comprises a locking block, a rotary poking piece and a limiting and abutting rod;
a cavity is formed in the locking block, one end of the rotating shifting piece is located in the cavity, the other end of the rotating shifting piece extends out of the cavity, and the rotating shifting piece is rotatably connected with the inner wall of the cavity through a rotating shaft;
the locking block penetrates through a through hole communicated with the cavity, the limiting abutting rod is located in the through hole, one end of the limiting abutting rod is connected with the rotating shifting piece in a sliding mode, and the other end of the limiting abutting rod extends out of the through hole and is connected with a limiting groove formed in the inner wall of the mounting cavity in an inserting mode.
4. A building self-control DDC controller as in claim 3, wherein two limit posts are provided and symmetrically arranged on both sides of said cavity; the rotating shifting piece is positioned in the cavity, and the thickness of the rotating shifting piece is gradually reduced.
5. A building self-control DDC controller as in claim 4, wherein the lower end face of said locking block is provided with an elastic component for pressing the wire; the elastic assembly comprises a plurality of telescopic springs and a contact plate, and the two ends of each telescopic spring are fixedly connected with the contact plate and the locking block respectively.
6. A building self-control DDC controller according to claim 5, wherein said lower end surface of said touch plate is provided with a rubber layer.
7. A building self-control DDC controller according to any of claims 1-6, wherein said press assembly comprises a pressure plate and an adjusting assembly connected to said pressure plate; the adjusting component is located in the controller main body, and the locking end of the adjusting component can stretch out and draw back in the mounting groove.
8. A building self-control DDC controller as in claim 7, wherein said regulating assembly comprises a compression spring and a connecting rod, a connecting guide rod and a clamping plate connected in sequence;
the middle part of the connecting guide rod is rotatably connected through a rotating shaft, one end of the connecting guide rod is rotatably connected with the connecting rod, and the other end of the connecting guide rod is fixedly connected with the clamping plate; two ends of the compression spring are respectively fixedly connected with the connecting rod and the controller main body; when the pressing plate is pressed, the clamping plate can stretch out and draw back in the mounting groove.
9. A building self-control DDC controller according to claim 8, further comprising a voltage step-down circuit, a charge and discharge protection circuit and a reference circuit for powering the controller body.
10. A building self-control DDC controller according to claim 9, wherein said voltage dropping circuit comprises transformer T1, lightning arrester F1, rectifier bridge D1, capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8, inductor L1, inductor L2, resistor R1, variable resistor R2, diode D1 and voltage regulator LM 1;
the input end of the transformer T1 is connected with a mains supply, the output end of the transformer T1 is connected with the input ends of the lightning arrester F1 and the rectifier bridge D1 to form a loop, one end of the output end of the rectifier bridge D1 is sequentially connected with one ends of a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5 and a capacitor C6 and is connected with a first pin of the voltage regulator LM1 in parallel, and an inductor L1 is connected between the capacitor C3 and the capacitor C4; the other end of the output end of the rectifier bridge D1 is connected to the ground and is sequentially connected with the other ends of a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5 and a capacitor C6, the fourth pin of the voltage regulator LM1 is connected, and a resistor R1 is connected between the other end of the capacitor C6 and the fourth pin of the voltage regulator LM 1; a second pin of the voltage regulator LM1 is connected with a diode D1 and an inductor L2 in parallel, and the other ends of the diode D1 and the inductor L2 are connected with a capacitor C7; a fourth pin of the voltage regulator LM1 is connected with a capacitor C8 and a variable resistor R2 in parallel, and the other ends of the capacitor C8 and the variable resistor R2 are connected with the other end of the inductor L2; the third pin and the fifth pin of the voltage regulator LM1 are absolutely connected to the ground; the other end of the inductor L2 outputs a 24VDC end;
the charge and discharge protection circuit comprises a charge protection module, a battery BT1, a battery BT2, a battery BT3, a battery BT4, a battery BT5, a battery BT6, a discharge protection module and a diode D2;
the 24VDC end is connected with the input end of a diode D2, and the output end of a diode D2 is connected to a first pin of the charging protection module; a first pin of the charging protection module is connected to the ground; a third pin and a fourth pin of the charging protection module are respectively connected with a first pin and a second pin of the discharging protection module, and a battery BT1, a battery BT2, a battery BT3, a battery BT4, a battery BT5 and a battery BT6 which are sequentially connected in series are connected between the third pin and the fourth pin of the charging protection module; a third pin and a fourth pin of the discharge protection module respectively output a B + end and a B-end;
the reference circuit comprises a voltage regulator LM2, a voltage regulator LM3, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a diode D3, a diode D4, an inductor L3, an inductor L4, a resistor R3 and a variable resistor R4;
the B + end is connected with one end of a capacitor C11 and connected into a first pin of a voltage regulator LM2, and the B-end is connected with the other end of a capacitor C11 and connected into a fifth pin of a voltage regulator LM 2; a resistor R3 is connected between a fifth pin and a fourth pin of the voltage regulator LM 2; a fourth pin of the voltage regulator LM2 is connected with a variable resistor R4 and a capacitor C9 in parallel, the other ends of the variable resistor R4 and the capacitor C9 are connected with an output 18V + end, a third pin of the voltage regulator LM2 is connected with an input end of a diode D3 and one end of a capacitor C10 respectively and outputs an 18VGND end, and the 18VGND end is connected to the ground; the output end of the diode D3 and the other end of the capacitor C10 are connected to an inductor L3, and the output end of the diode D3 is connected to a second pin of the voltage regulator LM 2; the other end of the capacitor C10 is connected with an 18V + end;
the B + end is connected with one end of a capacitor C12 and connected into a first pin of a voltage regulator LM3, and the B-end is connected with the other end of a capacitor C12 and connected into a fifth pin of a voltage regulator LM 2; a third pin of the voltage regulator LM3 is respectively connected to the input terminal of the diode D4 and one end of the capacitor C113 and outputs a 3.3VGND terminal, and the 3.3VGND terminal is connected to ground; the output end of the diode D4 and the other end of the capacitor C13 are connected to an inductor L4, and the output end of the diode D3 is connected to a second pin of the voltage regulator LM 3; the other end of the capacitor C10 outputs a 3.3V + end, and a fourth pin of the voltage regulator LM3 is connected with the 3.3V + end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121363630.7U CN215451902U (en) | 2021-06-18 | 2021-06-18 | Building automatic control DDC controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121363630.7U CN215451902U (en) | 2021-06-18 | 2021-06-18 | Building automatic control DDC controller |
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| CN215451902U true CN215451902U (en) | 2022-01-07 |
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| CN202121363630.7U Active CN215451902U (en) | 2021-06-18 | 2021-06-18 | Building automatic control DDC controller |
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Effective date of registration: 20220818 Address after: Room 203, 2nd Floor, Building 43, Second District, Tiantong Zhongyuan, Changping District, Beijing 102200 Patentee after: Beijing Huike Intelligent Control Technology Co., Ltd. Address before: 152171 No. 21, luanyingzi village, xiangbaitou village, Tongjiang Town, Wangkui County, Suihua City, Heilongjiang Province Patentee before: Zhu Wenshuang |
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