Heat dissipation protection device based on temperature control switch

Abstract

The utility model discloses a heat dissipation protection device based on a temperature control switch. The heat dissipation protection device comprises an equipment mainboard and the temperature control switch, the temperature control switch is arranged on a component of the equipment mainboard and is connected in series in a power supply circuit of the equipment mainboard, and when the temperature control switch detects that the temperature of the component reaches a preset temperature value, the temperature control switch is switched off. When the cooling fan for cooling the components on the circuit board is damaged and cannot dissipate heat in time, if the temperature control switch detects that the temperature of the components reaches a preset temperature value, connection is disconnected, a power supply of the power supply circuit is cut off, the components on the equipment mainboard are protected from being burnt out, and therefore the effect of protecting the equipment mainboard is achieved. Besides, the device prevents the components from being damaged in a power-off fault mode, and reminds a user to check the heat dissipation equipment, thereby achieving the effect of timely maintaining the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit protection, in particular to a heat dissipation protection device based on a temperature control switch. Background Art

[0002] In the prior art, when a circuit board is cooled, a fan is generally used alone to provide heat dissipation protection for components on the circuit board. However, if the cooling fan fails and cannot work normally, the temperature of the components will rise sharply, and the components will be burned if the temperature exceeds the critical value. Therefore, it is not conducive to the long-term stable use of the equipment. Utility Model Content

[0003] The utility model aims to provide a heat dissipation protection device based on a temperature control switch to solve the problem that when a heat dissipation fan fails to work normally, the temperature of components exceeds a critical value and is burned out.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] A heat dissipation protection device based on a temperature control switch, comprising:

[0006] Equipment mainboard and temperature control switch;

[0007] The temperature control switch is arranged on the components of the mainboard of the device and is connected in series to the power supply circuit of the mainboard of the device. When the temperature control switch detects that the temperature of the components reaches a preset temperature value, the temperature control switch is disconnected.

[0008] Optionally, it also includes: a cooling fan;

[0009] The fan interface of the cooling fan is connected to the fan power supply end of the device mainboard, the power supply circuit of the device mainboard supplies power to the cooling fan, and the cooling fan is used to dissipate heat for the device mainboard.

[0010] Optionally, it also includes: a heat sink;

[0011] The heat sink is disposed on the component, the heat sink is connected to the heat dissipation fan, and the heat sink is used to dissipate heat for the component through the heat dissipation fan.

[0012] Optionally, the temperature control switch is fixedly disposed on the heat sink, and when the temperature of the heat sink reaches the preset temperature value, the temperature control switch is disconnected.

[0013] Optionally, one end of the temperature control switch is connected to the power supply of the power supply circuit, and the other end of the temperature control switch is connected to the power supply end of the device mainboard.

[0014] Optionally, the temperature-controlled switch is one temperature-controlled switch or multiple temperature-controlled switches;

[0015] One temperature-controlled switch corresponds to one component.

[0016] Optionally, the multiple temperature-controlled switches are connected in series, and the multiple temperature-controlled switches are connected in series in the power supply circuit.

[0017] According to the specific embodiments provided by the utility model, the utility model discloses the following technical effects:

[0018] The heat dissipation protection device based on the temperature control switch provided by the utility model is set on the components of the device mainboard through the temperature control switch and connected in series in the power supply circuit of the device mainboard. When the temperature control switch detects that the temperature of the component reaches the preset temperature value, the temperature control switch is disconnected. When the heat dissipation fan for the components on the circuit board is damaged, the heat cannot be dissipated in time. At this time, if the temperature control switch detects that the temperature of the component reaches the preset temperature value, it will disconnect and cut off the power supply of the power supply circuit to protect the components on the device mainboard from being burned, thereby playing a role in protecting the device mainboard. In addition, the utility model avoids damage to components by means of power failure, and reminds the user to check the heat dissipation device, thereby playing a role in timely maintenance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a working principle diagram of the heat dissipation protection device based on the temperature control switch provided by the utility model.

[0021] Explanation of symbols:

[0022] The first temperature control switch—1, the second temperature control switch—2, the first heat sink—3, the second heat sink—4, the device mainboard—5, the fan—6, the main circuit live wire terminal—7, the main circuit neutral wire terminal—8, the device mainboard live wire terminal—9, the device mainboard neutral wire terminal—10, the device mainboard ground wire terminal—11. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The purpose of the utility model is to provide a heat dissipation protection device based on a temperature control switch. The temperature control switch is set on the components of the device mainboard and connected in series to the power supply circuit of the device mainboard. When the temperature control switch detects that the temperature of the component reaches a preset temperature value, the temperature control switch is disconnected. When the heat dissipation fan for the components on the circuit board is damaged, the heat cannot be dissipated in time. At this time, if the temperature control switch detects that the temperature of the component reaches the preset temperature value, it will disconnect and cut off the power supply of the power supply circuit to protect the components on the device mainboard from being burned, thereby protecting the device mainboard. In addition, the utility model avoids damage to components by means of power failure, and reminds the user to check the heat dissipation device, thereby playing a role in timely maintenance of the equipment.

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Embodiment 1

[0027] like Figure 1 As shown, the heat dissipation protection device based on the temperature control switch provided by the utility model includes: a device mainboard 5 and a temperature control switch; the temperature control switch is arranged on the components of the device mainboard 5 and is connected in series in the power supply circuit of the device mainboard 5, and when the temperature control switch detects that the temperature of the component reaches a preset temperature value, the temperature control switch is disconnected.

[0028] Furthermore, the heat dissipation protection device based on the temperature control switch provided by the utility model also includes: a cooling fan 6; the fan interface of the cooling fan 6 is connected to the fan power supply end of the device mainboard 5, the power supply circuit of the device mainboard 5 supplies power to the cooling fan 6, and the cooling fan 6 is used to dissipate heat for the device mainboard 5.

[0029] Furthermore, the heat dissipation protection device based on the temperature control switch provided by the utility model also includes: a heat sink; the heat sink is arranged on the component, the heat sink is connected to the heat dissipation fan 6, and the heat sink is used to dissipate heat for the component through the heat dissipation fan 6.

[0030] Specifically, the temperature control switch is fixedly arranged on the heat sink, and when the temperature of the heat sink reaches the preset temperature value, the temperature control switch is disconnected.

[0031] Specifically, one end of the temperature control switch is connected to the power supply of the power supply circuit, and the other end of the temperature control switch is connected to the power supply end of the device mainboard 5.

[0032] Further, the temperature-controlled switch is one temperature-controlled switch or multiple temperature-controlled switches, and one temperature-controlled switch corresponds to one component. In the case of multiple temperature-controlled switches, the multiple temperature-controlled switches are connected in series, and the multiple temperature-controlled switches are connected in series in the power supply circuit.

[0033] Specifically, the ground terminal 11 of the device mainboard 5 is connected to the ground wire; the neutral wire terminal 10 of the power supply end of the device mainboard 5 is connected to the neutral wire terminal 8 of the power supply; the live wire terminal 9 of the power supply end of the device mainboard 5 is connected to the live wire terminal 7 of the power supply through the power supply circuit of the device mainboard 5.

[0034] Specifically, Figure 1 In the figure, L represents the live wire, N represents the neutral wire, and E represents the ground wire.

[0035] Embodiment 2

[0036] like Figure 1 As shown, taking a heat dissipation protection device with two temperature control switches as an example, the heat dissipation protection device based on the temperature control switch provided by the utility model is introduced.

[0037] The heat dissipation protection device based on the temperature control switch includes: a device mainboard 5, a first temperature control switch 1 and a second temperature control switch 2; the first temperature control switch 1 is arranged on the first component of the device mainboard 5 and is connected in series to the power supply circuit of the device mainboard 5, and when the first temperature control switch 1 detects that the temperature of the first component reaches a first preset temperature value, the first temperature control switch 1 is disconnected; the second temperature control switch 2 is arranged on the second component of the device mainboard 5 and is connected in series to the power supply circuit of the device mainboard 5, and when the second temperature control switch 2 detects that the temperature of the second component reaches a second preset temperature value, the second temperature control switch 2 is disconnected. Wherein, when either the first temperature control switch 1 or the second temperature control switch 2 is disconnected, the power supply will be cut off, so that the power supply circuit is in an open circuit state, thereby protecting the components on the device mainboard 5.

[0038] Furthermore, the utility model also includes: a cooling fan 6; a fan interface of the cooling fan 6 is connected to the fan power supply end of the device motherboard 5, the power supply circuit of the device motherboard 5 supplies power to the cooling fan 6, and the cooling fan 6 is used to dissipate heat for the device motherboard 5.

[0039] Furthermore, the utility model also includes: a first heat sink 3 and a second heat sink 4; the first heat sink 3 is arranged on the first component, and the second heat sink 4 is arranged on the second component, the first heat sink 3 and the second heat sink 4 are respectively connected to the cooling fan 6, and the first heat sink 3 and the second heat sink 4 are used to dissipate heat for the first component and the second component respectively through the cooling fan 6.

[0040] Specifically, the first temperature control switch 1 is fixedly arranged on the first heat sink 3, and the second temperature control switch 2 is fixedly arranged on the second heat sink 4. When the temperature of the first heat sink 3 reaches the first preset temperature value, the first temperature control switch 1 is disconnected; or when the temperature of the second heat sink 4 reaches the second preset temperature value, the second temperature control switch 2 is disconnected.

[0041] When either the first temperature control switch 1 or the second temperature control switch 2 is disconnected, the power supply is cut off to protect the components on the device mainboard 5 from being burned out.

[0042] Specifically, one end of the second temperature control switch 2 is connected to the power supply of the power supply circuit 5, the other end of the second temperature control switch 2 is connected to one end of the first temperature control switch 1, and the other end of the first temperature control switch 1 is connected to the power supply end of the device mainboard 5.

[0043] Specifically, the ground terminal 11 of the device mainboard 5 is connected to the ground wire; the neutral wire terminal 10 of the device mainboard 5 is connected to the neutral wire terminal 8 of the power supply; the live wire terminal 9 of the device mainboard 5 is connected to the live wire terminal 7 of the power supply through the power supply circuit of the device mainboard 5.

[0044] Furthermore, the live wire terminal of the power supply is connected to the first pin ( Figure 1 The second pin of the second temperature control switch 2 ( Figure 1 The pin 2 in the temperature control switch 1 is connected to the first pin ( Figure 1 The second pin ( Figure 1 Pin 4) in is connected to the live wire end of the power supply end of the device motherboard 5.

[0045] This circuit structure is composed of electrical equipment that is easily purchased on the market, and can play a role in heat dissipation protection for the components on the device mainboard 5, avoiding the problem of high temperature damage to the components caused by the cooling fan not working, or even burning the circuit board, thereby extending the service life of the circuit board.

[0046] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0047] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. At the same time, for those skilled in the art, according to the ideas of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A heat dissipation protection device based on a temperature control switch, characterized in that: include: Equipment mainboard and temperature control switch; The temperature control switch is arranged on the components of the mainboard of the device and is connected in series to the power supply circuit of the mainboard of the device. When the temperature control switch detects that the temperature of the components reaches a preset temperature value, the temperature control switch is disconnected.

2. The heat dissipation protection device based on the temperature control switch according to claim 1 is characterized in that: Also includes: Cooling fan; The fan interface of the cooling fan is connected to the fan power supply end of the device mainboard, the power supply circuit of the device mainboard supplies power to the cooling fan, and the cooling fan is used to dissipate heat for the device mainboard.

3. The heat dissipation protection device based on the temperature control switch according to claim 2 is characterized in that: Also includes: Heat sink; The heat sink is disposed on the component, the heat sink is connected to the heat dissipation fan, and the heat sink is used to dissipate heat for the component through the heat dissipation fan.

4. The heat dissipation protection device based on the temperature control switch according to claim 3 is characterized in that: The temperature control switch is fixedly arranged on the heat sink, and when the temperature of the heat sink reaches the preset temperature value, the temperature control switch is disconnected.

5. The heat dissipation protection device based on the temperature control switch according to claim 4 is characterized in that: One end of the temperature control switch is connected to the power supply of the power supply circuit, and the other end of the temperature control switch is connected to the power supply end of the device mainboard.

6. The heat dissipation protection device based on the temperature control switch according to claim 5, characterized in that: The temperature control switch is one temperature control switch or multiple temperature control switches; One temperature-controlled switch corresponds to one component.

7. The heat dissipation protection device based on the temperature control switch according to claim 6, characterized in that: The multiple temperature-controlled switches are connected in series, and the multiple temperature-controlled switches are connected in series in the power supply circuit.

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