Novel wireless room temperature collector

Abstract

The utility model discloses a novel wireless room temperature collector, which comprises a wireless room temperature collector body, and the wireless room temperature collector body comprises a temperature sensor, a microprocessor, a wireless communication module, an alarm, a power supply, a power supply management module and a standby battery. The wireless room temperature collector can monitor the electric quantity use condition of the power supply in the normal use process of the wireless room temperature collector body, can timely cut off the power supply and switch the standby battery to supply power when the electric quantity of the power supply is insufficient, can effectively reduce the condition that the normal continuous work of the wireless room temperature collector body is influenced by the insufficient electric quantity, and improves the safety of the wireless room temperature collector body. By cutting off the power supply in time, the situation that the service life of the wireless room temperature collector is affected due to long-time overdischarge of the power supply can be effectively avoided, the use stability of the power supply and the wireless room temperature collector body is improved, in addition, the power supply and the standby battery can be charged through solar energy after use, overcharge protection is carried out in the charging process, and the service life of the wireless room temperature collector is prolonged. And the use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless room temperature collectors, in particular to a novel wireless room temperature collector. Background Art

[0002] A wireless room temperature collector is a wireless sensor device used to monitor and collect indoor temperature data in real time. The device is usually composed of a temperature sensor, a microprocessor, a wireless communication module, and a power supply. The temperature sensor collects indoor temperature data, and the microprocessor processes the collected data. The processed data is sent to the remote monitoring end through the wireless communication module. At the same time, the power supply provides power to the entire device.

[0003] The wireless room temperature collector in the prior art is usually powered by a battery, and lacks the function of monitoring the battery usage during use. The battery power decreases after a period of use. When the power is lower than a certain level, it will cause power supply instability and affect the normal operation of the wireless room temperature collector. When the battery power is low, it cannot respond in time, thereby affecting the continuous stability of the wireless room temperature collector. In addition, when the battery is over-discharged for a long time, it will also affect the battery life. Based on the above situation, the present application proposes a new wireless room temperature collector. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a new type of wireless room temperature collector.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A novel wireless room temperature collector includes a wireless room temperature collector body, which includes a temperature sensor, a microprocessor, a wireless communication module, an alarm, a power supply, a power management module, and a backup battery. The temperature sensor is used to monitor and collect indoor temperature, and the microprocessor is used to process and analyze temperature data collected by the temperature sensor. The principles of temperature sensor collection and microprocessor data processing are both existing technologies and are not elaborated in detail here.

[0007] The backup battery and the power supply are electrically connected to the same solar power supply module;

[0008] The solar power supply module includes a first control switch, a solar panel, an inverter and a second control switch, the power supply and the backup battery are electrically connected to the inverter, the first control switch is electrically connected to the power supply and the solar panel, and the second control switch is electrically connected to the backup battery and the solar panel;

[0009] The alarm, temperature sensor, microprocessor and wireless communication module are all electrically connected to the power supply and backup battery, the power management module is electrically connected to the backup battery and power supply, the microprocessor is electrically connected to the temperature sensor and wireless communication module, and the alarm is connected to the microprocessor and power management module.

[0010] Preferably, the wireless communication module is electrically connected to a receiver, which is a remote monitoring terminal. The wireless communication technology of the wireless communication module is one of Wi-Fi, Bluetooth, LoRa and Zigbee. The wireless communication module can transmit the data processed by the microprocessor to the receiver through wireless communication technology, and the monitoring personnel can monitor through the remote monitoring terminal.

[0011] Preferably, the power management module includes a power estimation module, an over-discharge protection circuit, a power switching switch and an overcharge protector. The power switching switch is electrically connected to the power estimation module and the over-discharge protection circuit. The overcharge protector is electrically connected to the power estimation module, the first control switch and the second control switch. The power supply and the backup battery are both electrically connected to the over-discharge protection circuit and the power switching switch.

[0012] Preferably, the over-discharge protection circuit includes a Zener diode D1, a cathode of the Zener diode D1 is electrically connected to one end of the switch S1 and the emitter of the transistor Q1, an anode of the Zener diode D1 is electrically connected to one end of the resistor R1 and one end of the capacitor C1, the other end of the resistor R1 is electrically connected to one end of the resistor R2 and the base of the transistor Q2, the other end of the capacitor C1 is electrically connected to one end of the resistor R3, the collector of the transistor Q2 is electrically connected to one end of the resistor R5, the other end of the resistor R5 is electrically connected to the base of the transistor Q1, the collector of the transistor Q1 is electrically connected to one end of the capacitor C2, the other end of the capacitor C2 is electrically connected to one end of the resistor R4, the other end of the switch S1, the emitter of the transistor Q2, the other end of the resistor R2, and the other end of the resistor R3 are all electrically connected to the power supply and the backup battery, and the other end of the resistor R4 and one end of the capacitor C2 are both electrically connected to the signal receiving end of the power switching switch.

[0013] Preferably, the power estimation module is used to estimate the power of the power supply and the backup battery, and the over-discharge protection circuit is used to monitor the discharge conditions of the power supply and the backup battery.

[0014] Preferably, the alarm is used to remind people when the room temperature is high, low, or the power supply and backup battery are low. The way it reminds people is by sending text messages and sound and light alarms. The alarm is matched with a mobile phone APP, and the alarm text messages can be viewed through the mobile phone APP.

[0015] Preferably, the first control switch is used to control the connection between the power supply and the solar panel, the second control switch is used to control the connection between the backup battery and the solar panel, the solar panel is used to collect solar energy and convert it into electrical energy and store it in the power supply and the backup battery, and the inverter is used to convert the DC power of the power supply and the backup battery into AC power to power the wireless room temperature collector body.

[0016] Compared with the existing technology, the beneficial effects of the utility model are:

[0017] 1. Through the setting of the power management module, the power usage of the power supply can be continuously monitored during the process of the power supply to the wireless room temperature collector. When the power supply is insufficient, the power supply can be cut off in time and switched to the backup battery for power supply, which can effectively reduce the situation where the normal continuous operation of the wireless room temperature collector is affected by insufficient power. By cutting off the power supply in time, it can effectively avoid the situation where the service life of the power supply is affected by long-term over-discharge. In addition, with the setting of the alarm, when the power supply is insufficient, it can remind personnel to charge in time. During the charging process, the backup battery continues to power the wireless room temperature collector, and the power supply is not supplied, to avoid the situation where the power supply is charging and discharging at the same time.

[0018] 2. By cooperating with the overcharge protector in the solar power supply module and the power management module, the power supply and backup battery can be charged by solar energy after use, and can be disconnected in time after charging is completed, which can effectively reduce overcharging and achieve overcharge protection for the power supply and backup battery;

[0019] The utility model can monitor the power usage of the power supply during the normal use of the wireless room temperature collector body. When the power of the power supply is insufficient, the power supply can be cut off in time and switched to the backup battery for power supply, which can effectively reduce the situation where the normal and continuous operation of the wireless room temperature collector body is affected by insufficient power. By cutting off the power supply in time, the situation where the service life of the power supply is affected by long-term over-discharge of the power supply can be effectively avoided, thereby improving the stability of the power supply and the wireless room temperature collector body. In addition, the power supply and the backup battery can be charged by solar energy after use, and overcharge protection can be performed during the charging process, thereby improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a system block diagram of a new type of wireless room temperature collector proposed in this utility model;

[0021] Figure 2 This is a block diagram showing the connections between the power management module, power supply, backup battery, first control switch and second control switch of a novel wireless room temperature collector proposed in the present invention;

[0022] Figure 3This is a circuit diagram of an over-discharge protection circuit for a novel wireless room temperature collector proposed in the utility model. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Reference Figure 1-3 A new type of wireless room temperature collector includes a wireless room temperature collector body, which includes a temperature sensor, a microprocessor, a wireless communication module, an alarm, a power supply, a power management module and a backup battery, wherein the temperature sensor is used to monitor and collect the indoor temperature, and the microprocessor is used to process and analyze the temperature data collected by the temperature sensor. The principles of temperature sensor collection and data processing by the microprocessor are both existing technologies and are not elaborated here in detail; the wireless communication module is electrically connected to a receiver, which is a remote monitoring end. The wireless communication technology of the wireless communication module is one of Wi-Fi, Bluetooth, LoRa and Zigbee. The wireless communication module can transmit the data processed by the microprocessor to the receiver through wireless communication technology, and the monitoring personnel can monitor through the remote monitoring end;

[0025] The backup battery and the power supply are electrically connected to the same solar power module;

[0026] The solar power supply module includes a first control switch, a solar panel, an inverter, and a second control switch. The power supply and the backup battery are both electrically connected to the inverter. The first control switch is electrically connected to the power supply and the solar panel. The second control switch is electrically connected to the backup battery and the solar panel.

[0027] The alarm, temperature sensor, microprocessor and wireless communication module are all electrically connected to the power supply and backup battery, the power management module is electrically connected to the backup battery and the power supply, the microprocessor is electrically connected to the temperature sensor and the wireless communication module, and the alarm is connected to the microprocessor and the power management module; the alarm is used to remind personnel when the room temperature is high, the room temperature is low, or the power of the power supply and backup battery is low, and the reminder method is to remind personnel by sending text messages and sound and light alarms. The alarm is matched with a mobile phone APP, and the alarm text messages can be viewed through the mobile phone APP;

[0028] The power management module includes a power estimation module, an over-discharge protection circuit, a power switching switch and an overcharge protector. The power switching switch is electrically connected to the power estimation module and the over-discharge protection circuit. The overcharge protector is electrically connected to the power estimation module, the first control switch and the second control switch. The overcharge protector is used to protect the power supply and the backup battery during the charging process. Its principle is the existing technology and is not elaborated here. The power supply and the backup battery are both electrically connected to the over-discharge protection circuit and the power switching switch. The power estimation module is used to estimate the power of the power supply and the backup battery. It estimates the power using a power calculation algorithm based on data such as current consumption, voltage change and capacity of the power supply and the backup battery. The calculation formula is: power (mAh) = current battery voltage (V) × capacity (mAh) / 1000 + ∫|current (mA)|dt / 3600, where t represents time in seconds, and the integral ∫|current (mA)|dt / 3600 represents the integration of the absolute value of the current over a certain period of time in seconds, and then the result is converted into hours;

[0029] The first control switch is used to control the connection between the power supply and the solar panel, and the second control switch is used to control the connection between the backup battery and the solar panel. The solar panel is used to collect solar energy and convert it into electrical energy and store it in the power supply and the backup battery. The inverter is used to convert the DC power of the power supply and the backup battery into AC power to power the wireless room temperature collector.

[0030] The over-discharge protection circuit is used to monitor the discharge of the power supply and backup battery;

[0031] The over-discharge protection circuit includes a Zener diode D1, a cathode of the Zener diode D1 being electrically connected to one end of the switch S1 and the emitter of the transistor Q1, an anode of the Zener diode D1 being electrically connected to one end of the resistor R1 and one end of the capacitor C1, the other end of the resistor R1 being electrically connected to one end of the resistor R2 and the base of the transistor Q2, the other end of the capacitor C1 being electrically connected to one end of the resistor R3, the collector of the transistor Q2 being electrically connected to one end of the resistor R5, the other end of the resistor R5 being electrically connected to the base of the transistor Q1, the collector of the transistor Q1 being electrically connected to one end of the capacitor C2, the other end of the capacitor C2 being electrically connected to one end of the resistor R4, the other end of the switch S1, the emitter of the transistor Q2, the other end of the resistor R2 and the other end of the resistor R3. The ends are electrically connected to the power supply and the backup battery, and the other end of the resistor R4 and one end of the capacitor C2 are electrically connected to the signal receiving end of the power switching switch; the utility model can monitor the power usage of the power supply during the normal use of the wireless room temperature collector body. When the power of the power supply is insufficient, the power supply can be cut off in time and the backup battery can be switched to supply power, which can effectively reduce the situation where the normal continuous operation of the wireless room temperature collector body is affected by insufficient power, and by cutting off the power supply in time, it can effectively avoid the situation where the service life of the power supply is affected by long-term over-discharge, thereby improving the use stability of the power supply and the wireless room temperature collector body. In addition, the power supply and the backup battery can be charged by solar energy after use, and overcharge protection can be performed during the charging process, thereby improving the safety of use.

[0032] Working principle: When the wireless room temperature collector starts working, it is powered by the power supply to the entire device, and the indoor temperature is collected through the temperature sensor. The collected data is analyzed and processed by the microprocessor, and the analyzed data is sent to the receiver through the wireless communication module. The monitoring personnel can clearly understand the indoor temperature through the remote monitoring terminal. At the same time, when the microprocessor analyzes that the indoor temperature is high or low, it will control the alarm to start and send an alarm signal.

[0033] When the wireless room temperature collector is in normal use and the power supply is continuously supplied, the power estimation module in the power management module continuously monitors the power status of the power supply. At the same time, the over-discharge protection circuit also monitors the usage of the power supply. When the over-discharge protection circuit is monitoring, the switch S1 is closed. When the power supply is initially fully charged, the voltage of the power supply causes the Zener diode D1 to reverse conduct, and the base of the transistor Q2 has a bias voltage, causing the transistor Q2 to saturate and conduct. The conduction of the transistor Q2 will cause the base of the transistor Q1 to also have a corresponding current flowing through, and the transistor Q1 will also be saturated and conducted. In this way, the power supply supplies power to the load through the transistor Q1. As the power supply slowly discharges, the power supply voltage begins to decrease. When it drops to a level that is not enough to cause the Zener diode D1 to reverse conduct, When the guide is on, the transistor Q2 is cut off, and the transistor Q1 is also cut off, thereby cutting off the circuit between the power supply and the load, achieving the effect of over-discharge protection of the power supply. At the same time, when the power estimation module detects that the power supply is insufficient, the power switch will cut off the power supply and continue to supply power, and at the same time turn on the backup battery to continuously power the wireless room temperature collector. By monitoring the power usage during use and switching to the backup battery for power supply in time when the power is low, the situation where the normal continuous operation of the wireless room temperature collector body is affected by insufficient power can be effectively reduced. By cutting off the power supply in time, the situation where the power supply is affected by long-term over-discharge and its service life can be effectively avoided, thereby improving the stability of the power supply and the wireless room temperature collector body.

[0034] When it is detected that the power supply is insufficient, the power estimation module will also transmit a signal to the alarm. The alarm will send an alarm signal to remind personnel to charge in time. During the charging process of the power supply, the backup battery continues to power the wireless room temperature collector body, and the power supply is not powered, to avoid the situation where the power supply is charging and discharging at the same time. During the use of the backup battery, the power estimation module and the over-discharge protection circuit continue to monitor the usage of the backup battery, and the monitoring principle is the same as that of monitoring the power supply. When the backup battery is insufficient, the power supply is switched back to continue to power the wireless room temperature collector body.

[0035] After use, the entire device can be placed in a sunny location, and the solar panels can be used to collect external solar energy and convert it into electrical energy, which is stored in the power supply and backup battery to charge the power supply and backup battery. At the same time, the overcharge protector monitors the charging status of the power supply and backup battery. When it is detected that the power supply and backup battery are full, the first control switch and the second control switch are used to disconnect the solar panel and stop charging, thereby achieving the effect of overcharge protection. By charging with solar energy, the recycling of renewable energy is achieved, and the consumption of external electricity is reduced. In addition, during the charging process with external electricity, the overcharge protector will still protect the power supply and backup battery from overcharge, thereby improving the stability of the charging process.

[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel wireless room temperature collector, comprising a wireless room temperature collector body, characterized in that: The wireless room temperature collector body includes a temperature sensor, a microprocessor, a wireless communication module, an alarm, a power supply, a power management module and a backup battery, and the backup battery and the power supply are electrically connected to the same solar power supply module; The solar power supply module includes a first control switch, a solar panel, an inverter and a second control switch, the power supply and the backup battery are electrically connected to the inverter, the first control switch is electrically connected to the power supply and the solar panel, and the second control switch is electrically connected to the backup battery and the solar panel; The alarm, temperature sensor, microprocessor and wireless communication module are all electrically connected to the power supply and backup battery, the power management module is electrically connected to the backup battery and power supply, the microprocessor is electrically connected to the temperature sensor and wireless communication module, and the alarm is connected to the microprocessor and power management module.

2. A novel wireless room temperature collector according to claim 1, characterized in that: The wireless communication module is electrically connected to a receiver, which is a remote monitoring terminal. The wireless communication technology of the wireless communication module is one of Wi-Fi, Bluetooth, LoRa and Zigbee.

3. The novel wireless room temperature collector according to claim 1 is characterized in that: The power management module includes a power estimation module, an over-discharge protection circuit, a power switching switch and an overcharge protector. The power switching switch is electrically connected to the power estimation module and the over-discharge protection circuit. The overcharge protector is electrically connected to the power estimation module, the first control switch and the second control switch. The power supply and the backup battery are both electrically connected to the over-discharge protection circuit and the power switching switch.

4. A novel wireless room temperature collector according to claim 3, characterized in that: The over-discharge protection circuit includes a Zener diode D1, wherein the cathode of the Zener diode D1 is electrically connected to one end of the switch S1 and the emitter of the transistor Q1, the anode of the Zener diode D1 is electrically connected to one end of the resistor R1 and one end of the capacitor C1, the other end of the resistor R1 is electrically connected to one end of the resistor R2 and the base of the transistor Q2, the other end of the capacitor C1 is electrically connected to one end of the resistor R3, the collector of the transistor Q2 is electrically connected to one end of the resistor R5, the other end of the resistor R5 is electrically connected to the base of the transistor Q1, the collector of the transistor Q1 is electrically connected to one end of the capacitor C2, the other end of the capacitor C2 is electrically connected to one end of the resistor R4, the other end of the switch S1, the emitter of the transistor Q2, the other end of the resistor R2, and the other end of the resistor R3 are all electrically connected to the power supply and the backup battery, and the other end of the resistor R4 and one end of the capacitor C2 are both electrically connected to the signal receiving end of the power switching switch.

5. The novel wireless room temperature collector according to claim 3 is characterized in that: The power estimation module is used to estimate the power of the power supply and the backup battery, and the over-discharge protection circuit is used to monitor the discharge conditions of the power supply and the backup battery.

6. The novel wireless room temperature collector according to claim 1, characterized in that: The alarm is used to remind people when the room temperature is high, low, or the power of the power supply and backup battery is low. It reminds people by sending text messages and sound and light alarms. The alarm is matched with a mobile phone APP, and the alarm text messages can be viewed through the mobile phone APP.

7. The novel wireless room temperature collector according to claim 1 is characterized in that: The first control switch is used to control the connection between the power supply and the solar panel, and the second control switch is used to control the connection between the backup battery and the solar panel. The solar panel is used to collect solar energy and convert it into electrical energy and store it in the power supply and the backup battery. The inverter is used to convert the DC power of the power supply and the backup battery into AC power to power the wireless room temperature collector body.

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