CN209960631U - Mechanical single-live-wire room temperature acquisition double-control switch - Google Patents
Mechanical single-live-wire room temperature acquisition double-control switch Download PDFInfo
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- CN209960631U CN209960631U CN201920753382.3U CN201920753382U CN209960631U CN 209960631 U CN209960631 U CN 209960631U CN 201920753382 U CN201920753382 U CN 201920753382U CN 209960631 U CN209960631 U CN 209960631U
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Abstract
The utility model discloses a mechanical single-live wire room temperature acquisition double control switch, which belongs to the technical field of heat supply, and comprises a shell, a mechanical double control switch, a power taking circuit, a DCDC voltage reduction circuit, a charge-discharge circuit, a singlechip master control circuit, an LCD display circuit, a temperature detection circuit and an NB-IOT communication module, wherein the shell is divided into an upper half part and a lower half part, the mechanical double control switch is arranged at the front end of the upper half part of the shell, the power taking circuit, the DCDC voltage reduction circuit, the charge-discharge circuit, the singlechip master control circuit, the LCD display circuit, the temperature detection circuit and the NB-IOT communication module are all arranged in the shell, the power taking circuit is electrically connected with the mechanical double control switch, the power taking circuit is electrically connected with the DCDC voltage reduction circuit, the charge-discharge circuit is electrically connected with the singlechip master control circuit, the LCD display circuit, the temperature detection circuit and the NB-, the problems of flashing and burning are thoroughly solved, the heat is less, and the lamp load matching range is wide.
Description
Technical Field
The utility model relates to a heat supply technical field, more specifically say, relate to a two accuse switches are gathered to single live wire room temperature of mechanical type.
Background
In the field of centralized heating, the problem of uneven heating is often faced, the uneven heating can cause the temperature in a part of user homes to be too high, on the other hand, the temperature in a part of user homes to be too low and not reach the heating standard, users with too high temperature generally select to open windows for ventilation, which causes waste of heat energy, users with too low temperature can complain of heating companies, or refuse to pay heating expenses, the energy waste problem and the user dissatisfaction problem caused by uneven heating are a big problem in the field of centralized heating, in order to solve the problem, the temperature of the user homes needs to be collected, the heat flow of each heating area is remotely regulated and controlled according to collected data, in order to collect the temperature of the user homes, various products with room temperature collection and remote transmission functions are produced, the products in the market are usually provided with swing platforms, wall-mounted type, 86 type socket type, 86 type switch type, and the like, because the 86 type switch type installation height is reasonable, and the device is fixed and cannot be moved randomly, so that the device becomes the first choice of room temperature acquisition equipment.
The traditional thyristor type and relay type lamps have the problems of narrow lamp load matching range, lamp flashing, lamp burning, large heat productivity and the like.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a two accuse switches are gathered to single live wire room temperature of mechanical type, it thoroughly solves flashing light, burns the light problem, generates heat less and lamps and lanterns load match range is wide.
2. Technical scheme
In order to solve the above problem, the utility model adopts the following technical scheme:
a mechanical single-live-wire room temperature acquisition double-control switch comprises a shell, a mechanical double-control switch, a power taking circuit, a DCDC voltage reduction circuit, a charging and discharging circuit, a single-chip microcomputer master control circuit, an LCD display circuit, a temperature detection circuit and an NB-IOT communication module, wherein the shell is divided into an upper half part and a lower half part, the mechanical double-control switch is installed at the front end of the upper half part of the shell, the power taking circuit, the DCDC voltage reduction circuit, the charging and discharging circuit, the single-chip microcomputer master control circuit, the LCD display circuit, the temperature detection circuit and the NB-IOT communication module are all installed in the shell, the power taking circuit is electrically connected with the mechanical double-control switch, the power taking circuit is electrically connected with the DCDC voltage reduction circuit, the charging and discharging circuit is electrically connected with the single-chip microcomputer master control circuit, and the LCD display circuit, the temperature detection circuit and, LCD display screen, function button and ventilative window are installed in proper order to the latter half front end top-down of shell, the LCD display screen is located the intermediate position of shell the latter half, function button and ventilative window are located the lower right position of shell the latter half, thoroughly solve flashing light, the problem of burning light, generate heat less and lamps and lanterns load match range is wide.
Furthermore, the inner wall fixedly connected with temperature sensor of ventilation window, and temperature sensor and get electric circuit electric connection.
Furthermore, three first wiring holes are formed in the rear end of the upper half portion of the shell, and the three first wiring holes are respectively an L wiring hole, an L1 wiring hole and an L2 wiring hole.
Furthermore, a pair of second wiring holes are formed in the rear end of the lower half portion of the shell, and the pair of second wiring holes are respectively an LA wiring hole and an LB wiring hole.
Further, the housing employs a standard 86 cartridge.
Further, the charge and discharge circuit is electrically connected with a lithium battery, and the lithium battery is fixedly connected to the inner end of the shell.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the heat productivity is greatly reduced.
(2) The load matching range becomes wide.
(3) No flash and no light burn.
Drawings
FIG. 1 is a front view of the housing of the present invention;
figure 2 is a rear view of the housing of the present invention
FIG. 3 is a schematic block diagram of the circuit of the present invention;
fig. 4 is a schematic circuit diagram of an embodiment of the power supply of the present invention.
The reference numbers in the figures illustrate:
1 mechanical double control switch, 2 LCD display screen, 3 function buttons, 4 ventilation window.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1 and 3, a mechanical single-live-wire room temperature acquisition double-control switch comprises a shell, a mechanical double-control switch 1, a power-taking circuit, a DCDC voltage-reducing circuit, a charge-discharge circuit, a single-chip microcomputer master control circuit, an LCD display circuit, a temperature detection circuit and an NB-IOT communication module, wherein the shell adopts a standard 86 box, the shell is divided into an upper half part and a lower half part, the mechanical double-control switch 1 is arranged at the front end of the upper half part of the shell, the mechanical double-control switch 1 can be pressed left and right, the power-taking circuit, the DCDC voltage-reducing circuit, the charge-discharge circuit, the single-chip microcomputer master control circuit, the LCD display circuit, the temperature detection circuit and the NB-IOT communication module are all arranged in the shell, the power-taking circuit is electrically connected with the mechanical double-control switch 1, the power-taking circuit is electrically connected with the DCDC voltage-reducing circuit, the charge-discharge circuit is electrically connected with the, the power supply part consisting of the mechanical double-control switch 1, the power taking circuit, the DCDC voltage reduction circuit and the charging and discharging circuit is the core part of the utility model;
the shell and the internal circuit form a unified whole, the mechanical double-control switch 1 is used for switching on and off the current of the lamp power supply loop and realizing the double-control function, the mechanical double-control switch 1 is used for switching on and off the lamp load loop, and is different from a silicon controlled switch and a relay for controlling the switching on and off of the lamp load loop, and it should be pointed out that a mechanical switch is used in the embodiment, but the utility model discloses the number of the switches is not limited, and can be two, three or four, and all the room temperature acquisition equipment using the mechanical switch as the switching on and off of the lamp load loop should be brought into the protection range of the utility model, and it should be pointed out that a mechanical double-control switch 1 is used in the embodiment, in order to support the double-control function, if the actual demand does not;
the power-taking circuit is used for obtaining a certain voltage and current from a lamp power supply loop to be used by the DCDC voltage-reducing circuit, when current passes through the circuit, the circuit takes power, the typical voltage of the power-taking is 12V, when no current passes through the circuit, the circuit does not take power, the DCDC voltage-reducing circuit is used for converting the voltage obtained from the lamp power supply loop into low voltage for being used by a charging and discharging circuit, the charging and discharging circuit is used for battery management, when the lamp is turned on, the current exists on the lamp power supply loop, the charging and discharging circuit on one hand takes power from the DCDC voltage-reducing circuit and charges the battery, on the other hand supplies power to a singlechip main control circuit, an LCD display circuit, a temperature detection circuit and an NB-IOT communication module, when the lamp is turned off, the charging and discharging circuit takes power from the battery and supplies power to the modules such as the singlechip main control circuit, the functions of temperature acquisition, timed data uploading and the like are realized, the LCD display circuit is used for displaying the contents of temperature, time, error codes, signal intensity and the like, and the NB-IOT communication module is used for wirelessly transmitting data;
continuing to refer to fig. 1, an LCD display screen 2, a function button 3 and a ventilation window 4 are sequentially installed at the front end of the lower half part of the housing from top to bottom, the LCD display screen 2 is located in the middle of the lower half part of the housing, the LCD display screen 2 can display contents such as temperature, time, error codes and signal intensity, the function button 3 and the ventilation window 4 are located in the lower right position of the lower half part of the housing, the display contents and engineering debugging can be switched through the function button 3, a temperature sensor is fixedly connected to the inner wall of the ventilation window 4, and the temperature sensor is electrically connected with a power-taking circuit, so that the temperature sensor can quickly sense the ambient temperature, and the accuracy of temperature measurement is improved;
referring to fig. 2, the rear end of the upper half of the housing is provided with three first wiring holes, the three first wiring holes are L wiring holes, L1 wiring holes and L2 wiring holes, the L wiring holes, L1 wiring holes and L2 wiring holes are used as wiring holes of the mechanical double-control switch 1, the rear end of the lower half of the housing is provided with a pair of second wiring holes, the pair of second wiring holes are LA wiring holes and LB wiring holes, the LA wiring holes and the LB wiring holes are used as wiring holes of the power-taking module, a common terminal L of the mechanical double-control switch 1 is connected with one end LA or LB of the power-taking module, the charging and discharging circuit is electrically connected with a lithium battery, the lithium battery is fixedly connected to the inner end of the housing, the battery is charged when the lamp is turned on, the battery is discharged when the lamp is turned off, and continuous power supply to circuits such as a single;
referring to fig. 4, fig. 4 shows a schematic circuit diagram of an embodiment of the core portion (power supply portion) of the present invention, when a live current passes through LA and LB, the power-taking module converts the live current into a 12V voltage, C2 is an energy storage capacitor for storing the 12V voltage converted by the power-taking module, U1 is a DCDC step-down chip, an output voltage can be set by setting a voltage division ratio of R2 and R3, in this example, the output voltage is 5V, L1 is an energy storage inductor, C1 is a bootstrap capacitor, R1 is an enable resistor, C3 is an energy storage capacitor, U1, R1, R2, R3, L1, and C3 jointly form a DCDC step-down circuit, the 12V voltage is converted into a 5V voltage, U2 is a charge management chip, a charging current can be set by setting a resistance value of R5, the charging current can be set to 50, 100mA or 200mA, D1 mA is a charge indicator, and R4 is a current limiting resistor, when the chip charges the battery, the charging indicator lamp is on, when the battery is fully charged, the indicator lamp is off, C4 and C5 are energy storage capacitors, CON1 is connected with a lithium battery, U2, R5, D1, R4, C4, C5 and CON1 jointly form a charging and discharging circuit, and other parts of the circuit: singlechip master control circuit, LCD display circuit, temperature detect circuit, NB-IOT communication module are used for realizing the business logic, and its circuit constitutes simply, and is not originally the utility model discloses a core does not do here and gives unnecessary details.
The working principle is as follows: when the mechanical double control switch 1 is disconnected, the lamp is turned off, no current passes through the power taking module, the power taking module is provided with 12V voltage output, the DCDC voltage reduction circuit does not have 5V output, the charging and discharging circuit outputs battery voltage to supply power for the singlechip main control circuit and the like, and because the mechanical double control switch 1 is disconnected, the power supply loop of the lamp load is completely cut off, unlike the silicon controlled type and relay type, the static power taking still exists, therefore, the utility model discloses fundamentally avoids the problems of lamp flashing and lamp burning, because the static power taking does not exist, the minimum power of the lamp is not limited, because the relay and the silicon controlled lamp load are not used, the lamp load can be widened to 2000W, and the two are integrated, so that the load matching range of the utility model is widened;
when mechanical two accuse switch 1 switch-on, lamps and lanterns are lighted, and the electric current is through getting the electric module, gets the electric module and has 12V voltage output, and DCDC step-down circuit has 5V output, and charging and discharging circuit charges for the battery on the one hand this moment, gives the power supplies such as singlechip master control circuit on the one hand, and on the one hand, the contact resistance of machinery two accuse switch is very little, does not have the temperature rise almost, and on the other hand uses the single live wire of high efficiency low temperature rise heavy current to get the electric module, does not have the temperature rise almost, and the two is synthesized, and product complete machine temperature rise is very little, the utility model discloses thoroughly solve flashing light.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.
Claims (6)
1. The utility model provides a two accuse switches are gathered to single live wire room temperature of mechanical type, includes shell, two accuse switches of machinery (1), gets electric circuit, DCDC step-down circuit, charge-discharge circuit, single chip microcomputer owner accuse circuit, LCD display circuit, temperature detection circuit and NB-IOT communication module, its characterized in that: the shell is divided into an upper half part and a lower half part, the mechanical double-control switch (1) is installed at the front end of the upper half part of the shell, the electricity taking circuit, the DCDC voltage reduction circuit, the charge and discharge circuit, the single chip microcomputer main control circuit, the LCD display circuit, the temperature detection circuit and the NB-IOT communication module are all installed in the shell, the electricity taking circuit is electrically connected with the mechanical double-control switch (1), the electricity taking circuit is electrically connected with the DCDC voltage reduction circuit, the charge and discharge circuit is electrically connected with the single chip microcomputer main control circuit, the LCD display circuit, the temperature detection circuit and the NB-IOT communication module are all electrically connected with the single chip microcomputer main control circuit, the LCD display screen (2), the function buttons (3) and the ventilation window (4) are sequentially installed at the front end of the lower half part of the shell from top to bottom, and the LCD display screen (2, and the function button (3) and the ventilation window (4) are positioned at the lower right position of the lower half part of the shell.
2. The mechanical single-live-wire room temperature acquisition double-control switch according to claim 1, wherein: the inner wall fixedly connected with temperature sensor of ventilation window (4), and temperature sensor and get electric circuit electric connection.
3. The mechanical single-live-wire room temperature acquisition double-control switch according to claim 1, wherein: three first wiring holes are formed in the rear end of the upper half portion of the shell, and the three first wiring holes are respectively an L wiring hole, an L1 wiring hole and an L2 wiring hole.
4. The mechanical single-live-wire room temperature acquisition double-control switch according to claim 1, wherein: a pair of second wiring holes are formed in the rear end of the lower half portion of the shell, and the pair of second wiring holes are respectively an LA wiring hole and an LB wiring hole.
5. The mechanical single-live-wire room temperature acquisition double-control switch according to claim 1, wherein: the housing is a standard 86 box.
6. The mechanical single-live-wire room temperature acquisition double-control switch according to claim 1, wherein: the charge and discharge circuit is electrically connected with a lithium battery, and the lithium battery is fixedly connected to the inner end of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753382.3U CN209960631U (en) | 2019-05-24 | 2019-05-24 | Mechanical single-live-wire room temperature acquisition double-control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920753382.3U CN209960631U (en) | 2019-05-24 | 2019-05-24 | Mechanical single-live-wire room temperature acquisition double-control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209960631U true CN209960631U (en) | 2020-01-17 |
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ID=69246379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920753382.3U Active CN209960631U (en) | 2019-05-24 | 2019-05-24 | Mechanical single-live-wire room temperature acquisition double-control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209960631U (en) |
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2019
- 2019-05-24 CN CN201920753382.3U patent/CN209960631U/en active Active
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