CN103280641A - Wire holder, air conditioner comprising same and temperature control method - Google Patents
Wire holder, air conditioner comprising same and temperature control method Download PDFInfo
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- CN103280641A CN103280641A CN2013101911892A CN201310191189A CN103280641A CN 103280641 A CN103280641 A CN 103280641A CN 2013101911892 A CN2013101911892 A CN 2013101911892A CN 201310191189 A CN201310191189 A CN 201310191189A CN 103280641 A CN103280641 A CN 103280641A
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- temperature
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- control panel
- brace
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Abstract
The invention discloses a wire holder, an air conditioner comprising the same and a temperature control method. The wire holder comprises a wire holder structural body and a connecting sheet arranged at one side of the wire holder structural body; the connecting sheet is connected with an external control panel; the other side of the wire holder structural body is provided with a temperature inductor used for inducing the temperature of the connecting sheet and interrupting a circuit in which the connecting sheet plate is located when the temperature of the connecting sheet exceeds a preset threshold value; the temperature inductor is electrically connected with the control panel; and the temperature induction part of the temperature inductor is abutted with the heat conduction part of the wire holder structural body. According to wire holder, the air conditioner comprising the same and the temperature control method disclosed by the invention, through installing the temperature inductor into the wire holder, the temperature of the connecting sheet is induced in real time. When the temperature of the connecting sheet is abnormal, i.e. when the temperature of the connecting sheet exceeds the preset threshold value, the circuit in which the connecting sheet is located is interrupted, and the operation of an indoor unit is interrupted in time to ensure the use safety of the air conditioner. Moreover, current also can be controlled by the control panel, and therefore, the magnitude of current is reduced, and the safety is enhanced.
Description
Technical field
The present invention relates to air-conditioning technical field, relate in particular to a kind of junction block, have air conditioner and the temperature-controlled process of this junction block.
Background technology
At present, be example with the off-premises station of convertible frequency air-conditioner, the electric current of off-premises station all needs through junction block, makes junction block can bear bigger electric current.And the off-premises station external wall installation in the building of high level usually, the difficulty of its fitting operation is bigger, and the operating space is limited, when the appearance installation is not in place, the local current resistance is strengthened, thus the consumption that increases invalid energy.
Simultaneously, because the junction block that adopts in the air conditioner does not all have the temperature sense function, the problems referred to above are often when off-premises station continues heavy-duty service, can produce a large amount of heat, burn out junction block, even the off-premises station that ignites, bigger loss caused, particularly for flammable refrigerant, the potential safety hazard that might set off an explosion also.
Summary of the invention
Main purpose of the present invention is to provide a kind of junction block, has air conditioner and the temperature-controlled process of this junction block, is intended to improve the air-conditioning safety in utilization.
In order to achieve the above object, the present invention proposes a kind of junction block, comprising: junction block structure and the brace that is installed in described junction block structure one side, and described brace is electrically connected with the external control panel; The opposite side of described junction block structure be equiped with for the described brace temperature of induction and when described brace temperature surpasses reservation threshold the temperature sensing device of disconnection place circuit, described temperature sensing device is electrically connected with described control panel; The temperature sense of described temperature sensing device is partly pressed close to heat conduction place of junction block structure.
Preferably, described temperature sensing device comprises: at least one heat conduction place of pressing close to the junction block structure be used for the described brace temperature of induction temperature inductor, with the plug of described control panel electrical connection and the connector that described temperature inductor is connected with the lead-in wire of described plug.
Preferably, described junction block structure is provided with the corresponding groove structure that is used for installing the described temperature inductor in location and connector.
Preferably, the groove structure of described temperature inductor and connector is separately positioned on the two ends of described junction block structure.
Preferably, described temperature inductor is square body, the cross section of groove structure of described temperature inductor is installed for corresponding with described temperature inductor cross section square.
Preferably, described connector is the two copper cash ends that a joint copper sheet compresses, and described plug and each temperature inductor all have two lead-in wires, respectively two lead-in wires of temperature inductor and plug correspondence is connected by two described connectors; The groove structure that described connector is installed on the described junction block structure has two grooves, and two connectors are placed on respectively in two grooves; Be provided with a demarcation strip between two grooves with two connector electric insulations.
Preferably, described connector cross section is square, and the cross sectional shape of described groove is consistent with the shape of cross section of described connector.
Preferably, described temperature inductor is the high temperature fuse.
Preferably, described high temperature fuse comprises the fuse of a temperature sensor, a switch that is connected with fuse, and a relay that is connected, disconnects described switch with described fuse and switch when the temperature of described fuse induction surpasses reservation threshold.
Preferably, described temperature inductor is the temperature sensor that is electrically connected with described control panel, the temperature of the described brace of described temperature sensor senses, and send temperature signal to described control panel; When described brace temperature surpassed reservation threshold, described control panel disconnected the place circuit.
Preferably, this junction block also comprises and is fastened on the described junction block structure, is used for the junction block bottom with described temperature sensing device sealing.
Preferably, described junction block bottom is fastened on whole of described junction block structure.
Preferably, described junction block bottom is fastened on the regional area that is positioned at described temperature sensing device top on the described junction block structure.
Preferably, described brace is provided with the plug wire end that is electrically connected with the external control panel.
The present invention also proposes a kind of air conditioner, comprises off-premises station, and described off-premises station is connected with aforesaid junction block.
The present invention also proposes a kind ofly to adopt the temperature sensing device in the above-mentioned junction block to carry out temperature controlled method, and described temperature sensing device is the temperature sensor that is electrically connected with the external control panel, may further comprise the steps:
The temperature of temperature sensor senses brace, and with the induction temperature signal send to control panel;
When the temperature of temperature sensor senses surpassed reservation threshold, control panel outwards transmitted control signal, and controls corresponding device action.
Preferably, when described temperature when temperature sensor senses surpassed reservation threshold, control panel outwards transmitted control signal, and the step of controlling corresponding device action comprises:
When the temperature of sensing surpassed first reservation threshold, control panel sent alarm signal to the display unit of indoor set;
When the temperature of sensing surpassed second reservation threshold, control panel outwards transmitted control signal, and the running frequency that reduces compressor is pointed out warning message simultaneously;
When the temperature of sensing surpassed the 3rd reservation threshold, the MCU control relay disconnected the place circuit.
A kind of junction block, the air conditioner with this junction block and temperature-controlled process that the present invention proposes, by temperature sensing device is installed in junction block, respond to the temperature of brace in real time, when the brace temperature occurs unusual, disconnect the place circuit when namely surpassing reservation threshold, in time cut off the operation of indoor set, guarantee that air-conditioning uses safety; In addition, can also control electric current by control panel, reduce the magnitude of current, improve fail safe.
Description of drawings
Fig. 1 is the stereochemical structure decomposing schematic representation of junction block first embodiment of the present invention;
Fig. 2 is the scheme of installation of temperature sensing device in the junction block structure among junction block first embodiment of the present invention;
Fig. 3 is the structural representation after junction block shown in Figure 1 is assembled;
Fig. 4 is the structural representation of temperature sensing device shown in Figure 1;
Fig. 5 is a kind of electrical block diagram of temperature inductor in the embodiment of the invention junction block;
Fig. 6 is the another kind of electrical block diagram of temperature inductor in the embodiment of the invention junction block;
Fig. 7 is the scheme of installation of temperature sensing device in the junction block structure among junction block second embodiment of the present invention;
Fig. 8 is the structural representation after junction block second embodiment assembling of the present invention;
Fig. 9 is the schematic flow sheet that the present invention adopts the temperature sensing device in the above-mentioned junction block to carry out temperature controlled method preferred embodiment.
In order to make technical scheme of the present invention clearer, clear, be described in further detail below in conjunction with accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
As shown in Figure 1 to Figure 3, first embodiment of the invention proposes a kind of junction block, comprises junction block structure 2, junction block bottom 1, temperature sensing device 5 and brace 3, wherein:
Described temperature sensing device 5 is installed in the opposite side of relative brace 3 on the described junction block structure 2, and temperature sensing device 5 is isolated by junction block structure 2 and brace 3, and can respond to the temperature of brace 3; These temperature sensing device 5 tops are by 1 sealing of junction block bottom.
For the ease of installing, present embodiment is provided with screw mounting hole 11 at junction block bottom 1, correspondence position is provided with screw mounting hole 21 on junction block structure 2 simultaneously, and at brace 3 the screw mounting hole (not shown) is set, it is fixedly connected with junction block bottom 1, junction block structure 2 and brace 3 to pass each screw mounting hole by screw.
Described temperature sensing device 5 is electrically connected with described control panel, when described brace 3 temperature surpass reservation threshold, temperature sensing device 5 disconnects the place circuit, perhaps by control panel control break-off signal induction installation 5 place circuit, thereby can in time cut off the operation of indoor set, guarantee that air-conditioning uses safety.
The temperature threshold values of above-mentioned setting can be set according to actual needs, such as 80 degree etc.
Particularly, as shown in Figure 4, described temperature sensing device 5 comprises: temperature inductor 51, the plug 4 that is electrically connected with described control panel and the connector 6 that the lead-in wire 52 of described temperature inductor 51 is connected with the lead-in wire 41 of described plug 4.This temperature inductor 51 is pressed close to heat conduction place of junction block structure 2, is beneficial to sense early the high temperature of brace 3, and then circuits for triggering control early, cuts off the operation of indoor set, guarantees that air-conditioning uses safety.
The location temperature sensing device is installed for convenience, is provided with corresponding groove structure at junction block structure 2 and is used for installing location said temperature inductor 51, connector 6 and corresponding lead-in wire 52,41.The groove structure 24 of described temperature inductor 51 and the groove structure 23 of connector 6 are separately positioned on the two ends of described junction block structure 2.
Wherein, the quantity of temperature inductor 51 can be set at one or more as required, and in the present embodiment, temperature inductor 51 is two.
Above-mentioned connector 6 is the two copper cash ends that a joint copper sheet compresses, each temperature inductor 51 has two lead-in wires 52, plug 4 also has two lead-in wires 41 simultaneously, therefore respectively two lead-in wires of temperature inductor 51 and plug 4 correspondences is connected by two above-mentioned connectors 6.The groove structure 23 that described connector 6 is installed on the junction block structure 2 has two grooves, and when mounted, two connectors 6 are placed on respectively in two grooves; Be provided with a demarcation strip 22 between two grooves two connectors 6 are isolated, to realize the electric insulation between two connectors 6, avoid 6 contacts of two connectors and short circuit.
The cross section of connector 6 is square in the present embodiment, and the cross sectional shape of the groove of placement connector 6 is consistent with the shape of cross section of connector 6; Connect by two lead-in wires of two above-mentioned connectors 6 with temperature inductor 51 and plug 4 correspondences, simultaneously, the body of this connector 6 also plays the effect of stationary positioned on junction block structure 2.
By said structure, the integrally-built installation of the line seat that can achieve a butt joint location, so that in various tests (such as destructive testing) or transportation, not fragile connector 6 and temperature inductor 51.
As a kind of execution mode, described temperature inductor 51 can be the high temperature fuse, its circuit structure as shown in Figure 5, this high temperature fuse comprises the fuse 511 of a temperature sensor, one switch 512 that is connected with fuse 511, and a relay 513 that is connected, when the temperature of described fuse 511 inductions surpasses reservation threshold, disconnects described switch 512 with described fuse 511 and switch 512.
As another kind of execution mode, described temperature inductor 51 can be the temperature sensor that is electrically connected with described control panel, the temperature of the described brace 3 of described temperature sensor senses, and send temperature signal to described control panel; When described brace 3 temperature surpassed reservation threshold, described control panel disconnected the place circuit.The circuit structure of this temperature inductor 51 can be as shown in Figure 6, wherein, MCU is control panel, and Rt is the temperature sensitive resister of temperature sensor, when the temperature of sensing as temperature sensitive resister Rt surpassed first reservation threshold, MCU sent alarm signal to the display unit of indoor set; When temperature surpassed second reservation threshold, temperature sensor sent temperature signal to MCU, is outwards transmitted control signal by MCU, and the running frequency that reduces compressor is pointed out warning message simultaneously; When temperature surpassed the 3rd reservation threshold, temperature sensor sent temperature signal to MCU, disconnected the place circuit by MCU control relay RY2, thereby cut off the operation of indoor set, guaranteed that air-conditioning uses safety.
In addition, can also alarm be set at junction block, this alarm is connected with control panel, when the temperature of sensing brace 3 at temperature inductor 51 surpasses reservation threshold, produce alarm signal by alarm, by control panel the electric current of off-premises station is controlled, such as reducing the magnitude of current, to improve the air-conditioning safety in utilization.
Present embodiment passes through such scheme, temperature sensing device is installed in junction block, the temperature of induction brace when the brace temperature occurs unusually, disconnects the place circuit when namely surpassing reservation threshold in real time, in time cut off the operation of indoor set, guarantee that air-conditioning uses safety, when preventing that off-premises station from continuing heavy-duty service, produce a large amount of heat, burn out junction block, even the off-premises station that ignites; In addition, can also control electric current by control panel, reduce the magnitude of current, to improve the safety in utilization of air conditioner.
As shown in Figures 7 and 8, second embodiment of the invention proposes a kind of junction block, similar to above-mentioned first embodiment, comprise junction block structure 2, junction block bottom 1, temperature sensing device and brace, temperature sensing device comprises temperature inductor 51, plug and the connector 6 that the lead-in wire 52 of described temperature inductor 51 is connected with the lead-in wire 41 of described plug, its difference is, junction block bottom 1 is fastened on the whole appearance of described junction block structure 2 among above-mentioned first embodiment, and in the present embodiment, described junction block bottom 1 is fastened on the regional area that is positioned at described temperature sensing device top on the described junction block structure 2.Other are identical with first embodiment.
In addition, the present invention also proposes a kind of air conditioner, comprises off-premises station and indoor set, and described off-premises station is connected with junction block, and this junction block can adopt the junction block described in the various embodiments described above, and its structure please refer to the various embodiments described above, does not repeat them here.
As shown in Figure 9, preferred embodiment proposition of the present invention is a kind of adopts the temperature sensing device in the above-mentioned junction block to carry out temperature controlled method, and described temperature sensing device is the temperature sensor that is electrically connected with the external control panel, and this comprises:
Step S101, the temperature of temperature sensor senses brace, and with the induction temperature signal send to control panel;
Step S102, when the temperature of temperature sensor senses surpassed reservation threshold, control panel outwards transmitted control signal, and controls corresponding device action.
Particularly, the circuit structure of the temperature sensor of present embodiment can be as shown in Figure 6, wherein, MCU is control panel, Rt is the temperature sensitive resister of temperature sensor, and when the temperature of sensing as temperature sensitive resister Rt surpassed first reservation threshold, MCU sent alarm signal to the display unit of indoor set; When temperature surpassed second reservation threshold, temperature sensor sent temperature signal to MCU, is outwards transmitted control signal by MCU, and the running frequency that reduces compressor is pointed out warning message simultaneously; When temperature surpassed the 3rd reservation threshold, temperature sensor sent temperature signal to MCU, disconnected the place circuit by MCU control relay RY2, thereby cut off the operation of indoor set, guaranteed that air-conditioning uses safety.Above-mentioned each reservation threshold can be set according to actual conditions, does not do restriction at this.
Embodiment of the invention junction block, the air conditioner with this junction block and temperature-controlled process, by temperature sensing device 5 is installed in junction block, respond to the temperature of brace 3 in real time, when brace 3 temperature occur unusual, disconnect the place circuit when namely surpassing reservation threshold, in time cut off the operation of indoor set, guarantee that air-conditioning uses safety; In addition, can also control electric current by control panel, reduce the magnitude of current, improve fail safe.
Above-mentioned only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (17)
1. a junction block is characterized in that, comprising: junction block structure and the brace that is installed in described junction block structure one side, and described brace is electrically connected with the external control panel; The opposite side of described junction block structure be equiped with for the described brace temperature of induction and when described brace temperature surpasses reservation threshold the temperature sensing device of disconnection place circuit, described temperature sensing device is electrically connected with described control panel; The temperature sense of described temperature sensing device is partly pressed close to heat conduction place of junction block structure.
2. junction block according to claim 1, it is characterized in that described temperature sensing device comprises: at least one heat conduction place of pressing close to the junction block structure be used for the described brace temperature of induction temperature inductor, with the plug of described control panel electrical connection and the connector that described temperature inductor is connected with the lead-in wire of described plug.
3. junction block according to claim 2 is characterized in that, described junction block structure is provided with the corresponding groove structure that is used for installing the described temperature inductor in location and connector.
4. junction block according to claim 3 is characterized in that, the groove structure of described temperature inductor and connector is separately positioned on the two ends of described junction block structure.
5. junction block according to claim 3 is characterized in that, described temperature inductor is square body, the cross section of groove structure of described temperature inductor is installed for corresponding with described temperature inductor cross section square.
6. junction block according to claim 3, it is characterized in that, described connector is the two copper cash ends that a joint copper sheet compresses, and described plug and each temperature inductor all have two lead-in wires, respectively two lead-in wires of temperature inductor and plug correspondence is connected by two described connectors; The groove structure that described connector is installed on the described junction block structure has two grooves, and two connectors are placed on respectively in two grooves; Be provided with a demarcation strip between two grooves with two connector electric insulations.
7. junction block according to claim 6 is characterized in that, described connector cross section is square, and the cross sectional shape of described groove is consistent with the shape of cross section of described connector.
8. junction block according to claim 2 is characterized in that, described temperature inductor is the high temperature fuse.
9. junction block according to claim 8, it is characterized in that, described high temperature fuse comprises the fuse of a temperature sensor, one switch that is connected with fuse, and a relay that is connected, when the temperature of described fuse induction surpasses reservation threshold, disconnects described switch with described fuse and switch.
10. junction block according to claim 2 is characterized in that, described temperature inductor is the temperature sensor that is electrically connected with described control panel, the temperature of the described brace of described temperature sensor senses, and send temperature signal to described control panel; When described brace temperature surpassed reservation threshold, described control panel disconnected the place circuit.
11. according to each described junction block among the claim 1-10, it is characterized in that, also comprise being fastened on the described junction block structure, being used for the junction block bottom with described temperature sensing device sealing.
12. junction block according to claim 11 is characterized in that, described junction block bottom is fastened on whole of described junction block structure.
13. junction block according to claim 11 is characterized in that, described junction block bottom is fastened on the regional area that is positioned at described temperature sensing device top on the described junction block structure.
14., it is characterized in that described brace is provided with the plug wire end that is electrically connected with the external control panel according to each described junction block among the claim 1-10.
15. an air conditioner comprises off-premises station, it is characterized in that, described off-premises station is connected with as each described junction block among the claim 1-14.
16. one kind is adopted the temperature sensing device in the described junction block of claim 1 to carry out temperature controlled method, described temperature sensing device is the temperature sensor that is electrically connected with the external control panel, it is characterized in that, may further comprise the steps:
The temperature of temperature sensor senses brace, and with the induction temperature signal send to control panel;
When the temperature of temperature sensor senses surpassed reservation threshold, control panel outwards transmitted control signal, and controls corresponding device action.
17. method according to claim 16 is characterized in that, when described temperature when temperature sensor senses surpassed reservation threshold, control panel outwards transmitted control signal, and the step of controlling corresponding device action comprises:
When the temperature of sensing surpassed first reservation threshold, control panel sent alarm signal to the display unit of indoor set;
When the temperature of sensing surpassed second reservation threshold, control panel outwards transmitted control signal, and the running frequency that reduces compressor is pointed out warning message simultaneously;
When the temperature of sensing surpassed the 3rd reservation threshold, the MCU control relay disconnected the place circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191189.2A CN103280641B (en) | 2013-05-21 | 2013-05-21 | Junction block, the air-conditioner with this junction block and temperature-controlled process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191189.2A CN103280641B (en) | 2013-05-21 | 2013-05-21 | Junction block, the air-conditioner with this junction block and temperature-controlled process |
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| CN103280641A true CN103280641A (en) | 2013-09-04 |
| CN103280641B CN103280641B (en) | 2016-09-07 |
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| CN201310191189.2A Active CN103280641B (en) | 2013-05-21 | 2013-05-21 | Junction block, the air-conditioner with this junction block and temperature-controlled process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167685A (en) * | 2014-08-20 | 2014-11-26 | 苏州科瑞森制冷科技有限公司 | Method for fast mounting wiring harness |
| CN106801980A (en) * | 2017-01-25 | 2017-06-06 | 青岛海尔空调器有限总公司 | Air-conditioning fire prevention control method and control system |
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| CN101431228A (en) * | 2008-12-18 | 2009-05-13 | 深圳华为通信技术有限公司 | Thermal protection control method and system |
| CN203300840U (en) * | 2013-05-21 | 2013-11-20 | 广东美的制冷设备有限公司 | Connection terminal and air conditioner having the connection terminal |
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| US20030089514A1 (en) * | 2000-06-20 | 2003-05-15 | Junichi Hayama | Power supply terminal and back board |
| CN2472369Y (en) * | 2000-12-08 | 2002-01-16 | 上海合璧电子电器有限公司 | Overheat protector for wiring holder |
| CN2610510Y (en) * | 2003-02-24 | 2004-04-07 | 上海合璧电子电器有限公司 | Structure for simplifying wiring on binding base |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104167685A (en) * | 2014-08-20 | 2014-11-26 | 苏州科瑞森制冷科技有限公司 | Method for fast mounting wiring harness |
| CN106801980A (en) * | 2017-01-25 | 2017-06-06 | 青岛海尔空调器有限总公司 | Air-conditioning fire prevention control method and control system |
| CN106801980B (en) * | 2017-01-25 | 2019-11-05 | 青岛海尔空调器有限总公司 | Air-conditioning fire prevention control method and control system |
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| CN103280641B (en) | 2016-09-07 |
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