Condensate water discharging device of condensation type gas volume water heater

Abstract

The condensate water discharging device of the condensation type gas volume water heater comprises a U-shaped condensate water collecting pipe fixedly arranged at the bottom of a smoke exhaust pipe of the water heater, one end of the condensate water collecting pipe is communicated with the smoke exhaust pipe, the other end of the condensate water collecting pipe is provided with a condensate water discharging opening, and a heating loop is wound on the outer portion of the condensate water collecting pipe. The condensate water discharging device further comprises a temperature sensing control system. The temperature sensing control system comprises a controller, an overheating protection device, a temperature sensor, a water level limiting device and a limiting temperature controller. The condensate water discharging device is designed for discharging condensate water of a condensation type gas displacement water heater, can prevent smoke from leaking, collect and discharge the condensate water, can solve the problem of freezing of the condensate water and the problem of blocking caused by freezing, and is suitable for being used by gas displacement water heater production enterprises.

Description

TECHNICAL FIELD

[0001] The utility model relates to water heater technical field especially relates to a condensing type gas volumetric water heater's condensed water discharge device. BACKGROUND

[0002] With the concept of "green low carbon, energy saving and environmental protection" in depth, condensing type gas volumetric water heater has "high thermal efficiency", "low nitrogen emission" and other characteristics, makes its market share gradually increases, the utility model can prevent flue gas leakage, collect and discharge condensed water, can solve the freezing problem of condensed water, and the blockage problem caused by freezing, avoid condensed water random ground discharge to cause pollution to the environment, can promote the healthy and sustainable development of industry.

[0003] The current condensing type gas volumetric water heater has the following problems:

[0004] 1, condensed water adopts air conditioner water guide pipe principle and discharges to outdoor, but it can not realize the communication with the exhaust pipe after only leading out condensed liquid and not leading out flue gas, that is, there is no smoke / water separation function;

[0005] 2, temperature monitoring is relatively single, cannot adaptively adjust according to external temperature, flue gas temperature and condenser tube temperature, and there are problems such as condenser tube overheating and condenser tube freezing.

[0006] In summary, how to design a new condensed water discharge device to solve the above problems, that is, the technical problem to be solved by the personnel in the field. INVENTION CONTENTS

[0007] The utility model discloses a condensing type gas volumetric water heater's condensed water discharge device, which solves the problems of the prior art, and is designed for the condensed water discharge of the condensing type gas volumetric water heater.

[0008] The utility model discloses a condensing type gas volumetric water heater's condensed water discharge device:

[0009] It comprises a condensed water collecting pipe in the shape of U fixed at the bottom of the water heater exhaust pipe, one end of the condensed water collecting pipe is communicated with the exhaust pipe, the other end of the condensed water collecting pipe is provided with a condensed water discharge port, and the outside of the condensed water collecting pipe is wound with a heating circuit;

[0010] The condensed water discharge device further comprises a temperature sensing control system, which comprises a controller, an overheating protection device, a temperature sensor, a water level limiting device and a limiting temperature controller.

[0011] The overheating protection device sends signals to the controller unidirectionally to sense the condensate water temperature at the upper part of the condensate water collecting pipe;

[0012] The temperature sensor sends signals to the controller unidirectionally to sense the water outlet temperature at the water outlet end of the condensate water collecting pipe;

[0013] The water level limiting device sends signals to the controller unidirectionally to sense the water level at the water inlet end of the condensate water collecting pipe;

[0014] The limiting temperature controller sends signals to the controller unidirectionally to sense the condensate water temperature at the bottom of the condensate water collecting pipe.

[0015] Preferably, the controller is further provided with a timer and an alarm.

[0016] Preferably, the overheating protection device is arranged at the middle part of the water inlet end of the condensate water collecting pipe.

[0017] Preferably, the temperature sensor is arranged inside the condensate water outlet of the condensate water collecting pipe.

[0018] Preferably, the water level limiting device is a contact sensor, and the water level limiting device is arranged at the position where the water inlet end of the condensate water collecting pipe is communicated with the smoke exhaust pipe.

[0019] Preferably, the limiting temperature controller is arranged at the bottom bending position of the condensate water collecting pipe.

[0020] The advantages and technical effects of the condensate water discharging device of the condensing type gas volume water heater are as follows:

[0021] The condensate water collecting pipe of the condensate water discharging device of the condensing type gas volume water heater is designed in a U-shaped water seal mode, so that the condensate water is collected and the smoke is prevented from being discharged from the condensate water outlet;

[0022] The condensate water discharging device of the condensing type gas volume water heater is designed to start heating by monitoring the ambient temperature, so that the problems of blockage and damage of the condensate water collecting device caused by the excessively low ambient temperature and the freezing of the condensate water are solved;

[0023] The condensate water discharging device of the condensing type gas volume water heater is designed with an overheating protection device, so that the safety problems caused by the excessively high temperature of the heating loop of the device are solved;

[0024] The condensate water discharging device of the condensing type gas volume water heater is designed with a timing heating device, so that the problem of long time heating caused by special conditions of the device is solved;

[0025] The condensate water discharging device of the condensing type gas volume water heater is designed with a liquid level limiting device, so that the safety problems caused by the blockage of the condensate water are solved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 This is the main view of the utility model;

[0027] Figure 2 It is a side view of the utility model;

[0028] Figure 3 This is the operating logic diagram of the medium temperature sensing control system of this utility model;

[0029] In the figure: 1. Controller (including timer and alarm); 2. Heating circuit; 3. Overheat protection device; 4. Temperature sensor; 5. Water level limit device; 6. Condensate collection pipe; 7. Smoke exhaust pipe; 8. Limiting thermostat; 9. Condensate discharge port. DETAILED DESCRIPTION

[0030] The following describes in detail embodiments of the utility model. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the utility model and are not to be construed as limiting the utility model.

[0031] The utility model relates to a condensed water discharge device for a condensing gas-fired volumetric water heater:

[0032] It includes a condensate collecting pipe 6 fixedly mounted at the bottom of the exhaust pipe 7 of the water heater in a U shape, one end of the condensate collecting pipe is connected to the exhaust pipe, and the other end of the condensate collecting pipe is provided with a condensate discharge port 9, and a heating circuit 2 is wound around the outside of the condensate collecting pipe;

[0033] The condensate discharge device also includes a temperature sensing control system, which includes a controller 1, an overheating protection device 3, a temperature sensor 4, a water level limiting device 5 and a limiting thermostat 8;

[0034] The overheat protection device sends a one-way signal to the controller to sense the condensate temperature at the upper part of the condensate collection pipe;

[0035] The temperature sensor sends a one-way signal to the controller to sense the outlet water temperature at the drain end of the condensate collection pipe;

[0036] The water level limiting device sends a one-way signal to the controller to sense the water level at the inlet end of the condensate collection pipe;

[0037] The limiting thermostat sends a one-way signal to the controller to sense the condensate temperature at the bottom of the condensate collection pipe.

[0038] Preferably, a timer and an alarm are also provided in the controller.

[0039] Preferably, the overheating protection device is arranged at the middle of the water inlet end of the condensate collecting pipe.

[0040] Preferably, the temperature sensor is arranged inside the condensate discharge port of the condensate collecting pipe.

[0041] Preferably, the water level limiting device is a contact sensor, and the water level limiting device is arranged at the position where the water inlet end of the condensate collecting pipe communicates with the smoke exhaust pipe.

[0042] Preferably, the limiting temperature controller is arranged at the position where the bottom of the condensate collecting pipe is bent.

[0043] In order to more clearly describe the specific embodiments of the present application, an embodiment is provided as follows:

[0044] The condensate discharge device of the condensing type gas volume water heater comprises the following control modes:

[0045] When the volume water heater is started, the device is powered on, and each component of the device is powered on and self-inspected; when the self-inspection is qualified, whether the water level limiting device is actuated is monitored; when the self-inspection is unqualified, the alarm is actuated.

[0046] When the water level limiting device is not actuated, whether the temperature sensor is lower than the preset temperature value is monitored; when the water level limiting device is actuated, the alarm is actuated.

[0047] When the temperature sensor monitors that the temperature inside the condensate discharge port is lower than the preset temperature value, the heating circuit is started; when the temperature sensor monitors that the temperature is higher than the preset temperature value, whether the water level limiting device is actuated is continuously monitored.

[0048] When the heating circuit is started, if the temperature reaches the preset temperature value, the limiting temperature controller is actuated, the heating circuit stops working, and whether the water level limiting device is actuated is continuously monitored.

[0049] When the heating circuit is started, if the limiting temperature controller is not actuated, if the heating time reaches the preset time, the timer is actuated, the heating circuit stops heating, and the alarm is actuated.

[0050] When the heating circuit is started, if the limiting temperature controller is not actuated, if the timer is not actuated, and if the overheating protection device is not actuated, whether the limiting temperature controller is actuated is continuously monitored.

[0051] When the heating circuit is started, if the limiting temperature controller is not actuated, if the timer is not actuated, and if the overheating protection device is actuated, the heating circuit stops heating, and the alarm is actuated.

[0052] When the volume water heater is started, the condensate discharge device is powered on, and the controller (including the timer

[0053] When the condensate water does not submerge the water level limiting device, the water level limiting device transmits a signal to the controller, and the controller continues to monitor the signal of the temperature sensor; when the condensate water submerges the water level limiting device, the water level limiting device transmits a signal to the controller, and the controller energizes the alarm;

[0054] When the temperature of the condensate water discharge port is lower than the preset value of the temperature sensor, the temperature sensor transmits a signal to the controller, and the controller energizes the heating circuit; when the temperature of the condensate water discharge port is higher than the preset value of the temperature sensor, the temperature sensor transmits a signal to the controller, and the controller continues to monitor the signal of the water level limiting device;

[0055] When the heating circuit heats the condensate water to the set temperature of the limiting temperature controller, the controller de-energizes the heating circuit and continues to monitor the signal of the water level limiting device;

[0056] When the heating circuit heats the condensate water to the set temperature of the limiting temperature controller, the controller de-energizes the heating circuit and continues to monitor the signal of the water level limiting device;

[0057] When the heating circuit does not heat the condensate water to the set temperature of the limiting temperature controller, and the heating time exceeds the preset time, the controller de-energizes the heating circuit and energizes the alarm;

[0058] When the heating circuit does not heat the condensate water to the set temperature of the limiting temperature controller, the heating time does not exceed the preset time, and the overheating protection device does not act, the controller continues to monitor the signal of the limiting temperature controller;

[0059] When the heating circuit does not heat the condensate water to the set temperature of the limiting temperature controller, the heating time does not exceed the preset time, and the overheating protection device acts, the controller de-energizes the heating circuit and energizes the alarm;

[0060] Preferably, the condensate water discharge device further comprises a mounting member, and the discharge device is connected with the horizontal smoke outlet of the condensing gas volumetric water heater through the mounting member.

[0061] The diameter of the smoke exhaust pipe, the diameter and height of the condensate water collecting pipe, and the diameter of the condensate water discharge port can be changed according to the diameter of the smoke outlet of the condensing gas volumetric water heater, the size of the heat load, and other factors, and the electric power of the heating circuit can be changed according to the flow of the discharged condensate water of the condensing gas volumetric water heater, the temperature of the use environment, and other factors.

[0062] Finally, the unexplained parts of the utility model all adopt mature products and mature technical means in the prior art.

[0063] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in the embodiments or examples of the utility model.

[0064] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A condensate discharge device for a condensing gas-fired volumetric water heater, characterized by: The condensate discharge device includes a U-shaped condensate collection pipe fixedly installed at the bottom of the exhaust pipe of the water heater, one end of the condensate collection pipe is connected to the exhaust pipe, the other end of the condensate collection pipe is provided with a condensate discharge port, and a heating circuit is wound around the outside of the condensate collection pipe; The condensate discharge device also includes a temperature sensing control system, which includes a controller, an overheating protection device, a temperature sensor, a water level limiting device and a limiting thermostat; The overheat protection device sends a unidirectional signal to the controller to sense the condensed water temperature at the upper part of the condensed water collection pipe; The temperature sensor sends a unidirectional signal to the controller to sense the outlet water temperature at the drainage end of the condensate collection pipe; The water level limiting device sends a unidirectional signal to the controller to sense the water level at the water inlet end of the condensate collection pipe; The limit thermostat sends a unidirectional signal to the controller to sense the condensed water temperature at the bottom of the condensed water collecting pipe.

2. The condensate discharge device of a condensing gas-fired volumetric water heater according to claim 1, characterized in that: A timer and an alarm are also provided in the controller.

3. The condensate discharge device of a condensing gas-fired volumetric water heater according to claim 1, characterized in that: The overheat protection device is arranged in the middle of the water inlet end of the condensed water collecting pipe.

4. The condensate discharge device of a condensing gas-fired volumetric water heater according to claim 1, characterized in that: The temperature sensor is arranged inside the condensed water discharge port of the condensed water collecting pipe.

5. The condensate discharge device of a condensing gas-fired volumetric water heater according to claim 1, characterized in that: The water level limiting device is a contact sensor, which is arranged at the place where the water inlet end of the condensate collection pipe is connected to the smoke exhaust pipe.

6. The condensate discharge device of a condensing gas-fired volumetric water heater according to claim 1, characterized in that: The limiting temperature controller is arranged at the bottom bend of the condensed water collecting pipe.

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