CN204636683U - Improve the hand warmer of electrical contact reliability - Google Patents
Improve the hand warmer of electrical contact reliability Download PDFInfo
- Publication number
- CN204636683U CN204636683U CN201520220068.0U CN201520220068U CN204636683U CN 204636683 U CN204636683 U CN 204636683U CN 201520220068 U CN201520220068 U CN 201520220068U CN 204636683 U CN204636683 U CN 204636683U
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- CN
- China
- Prior art keywords
- pole
- hand warmer
- charging rack
- bag body
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
This utility model relates to a kind of hand warmer improving electrical contact reliability, and include the hand warmer bag body of two core sockets and have the charging rack of holes plug, the a1 pole of two core sockets is connected with the restorability thermal protector in bag, the electromotion pilot lamp of hand warmer bag body is located on charging rack, be provided with in charging rack and comprise inductive coupler, controllable silicon, light emitting diode and amplifier, the control circuit of resistance R1, silicon controlled positive pole is connected with the negative pole of light emitting diode, silicon controlled negative pole had not only extremely been connected with the b of holes plug but also had been connected with the input of amplifier through secondary coil, the outfan of amplifier controls extremely to be connected with silicon controlled through resistance R1, the a pole of holes plug is extremely connected with the input power A of charging rack through primary coil, the b pole of holes plug is extremely connected with the input power B of charging rack.This utility model adopts two core connectors, improves electrical contact reliability, improves the sealing of hand warmer bag body simultaneously, reduces potential safety hazard.
Description
Technical field
This utility model relates to a kind of hand warmer, particularly relates to a kind of hand warmer improving electrical contact reliability.
Background technology
In winter, in order to dry hands heating, there is the hand warmer of various style, also can be used for foot, waist heating.Current hand warmer, generally has individual bag, the inside dress water, the inner heating wire making water heat up in addition and the critesistor surveying water temperature.Need heating time, connect heating wire with charging rack, water temperature be elevated to a certain degree auto-breaking and stop heating.Current hand warmer on the market divides two kinds.Be connector between charging rack and hand warmer be two cores, but electromotion pilot lamp is arranged on hand warmer.This hand warmer is arranged on hand warmer due to electromotion pilot lamp, have impact on the sealing of hand warmer, there is potential safety hazard.Another kind is the connector between charging rack and hand warmer is three cores, but electromotion pilot lamp is arranged on charging rack.This hand warmer, although the hidden danger avoiding poor sealing, connector has three feet, belongs to and is located by connecting, and easily caused loose contact.
Summary of the invention
This utility model mainly solves original hand warmer or poor sealing, there is potential safety hazard, or is excessively located by connecting, and easily causes the technical problem of loose contact; There is provided a kind of hand warmer improving electrical contact reliability, it adopts two core connectors to connect charging rack, improves electrical contact reliability, improves sealing again simultaneously, reduces potential safety hazard.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: this utility model comprises hand warmer bag body and to the charging rack of hand warmer bag body electrified regulation, heating wire and restorability thermal protector RT is provided with in hand warmer bag body, charging rack has the power line connecting civil power, described hand warmer bag body is provided with two core sockets, described charging rack is provided with the holes plug with two core socket couplings, the a1 pole of two core sockets, b1 pole respectively with a pole of holes plug, b is extremely connected, the a1 pole of two core sockets is connected with described restorability thermal protector RT, the electromotion pilot lamp of hand warmer bag body is located on described charging rack, control circuit is provided with in charging rack, control circuit comprises inductive coupler L, controllable silicon G, light emitting diode D and amplifier U, resistance R1, light emitting diode D is exactly described electromotion pilot lamp, the positive pole of controllable silicon G is connected with the negative pole of light emitting diode D, the negative pole of controllable silicon G is connected with one end of the b pole of the holes plug of charging rack and the secondary coil L2 of inductive coupler L, the other end of the secondary coil L2 of inductive coupler L is connected with the input of amplifier U, the outfan of amplifier U is extremely connected with the control of controllable silicon G through resistance R1, the a pole of holes plug is extremely connected with the input power A of charging rack through the primary coil L1 of inductive coupler L, the b pole of holes plug is extremely connected with the input power B of charging rack.During with charging rack to hand warmer bag body electrified regulation; the a1 pole of two core sockets of hand warmer bag body, b1 pole are extremely connected with a pole of the holes plug of charging rack, b respectively; again the power line of charging rack is connected civil power; when the water temperature in bag is elevated to certain value, restorability thermal protector works, disconnecting circuit; controllable silicon is reliably disconnected; then light emitting diode extinguishes, and the microswitch simultaneously on charging rack disconnects, and charging rack stops powering to hand warmer bag body.Because this utility model adopts two core connectors to connect between charging rack and hand warmer bag body, decrease angle, improve electrical contact reliability, electromotion pilot lamp is located on charging rack simultaneously, therefore can guarantee the sealing property of bag, improve safety.
Certain control circuit also can adopt relay to replace controllable silicon to realize, and the normally opened contact switch of relay and light emitting diode series connection, the drive end of relay is connected with restorability thermal protector.When relay is driven, then its normally opened contact switch connection, light emitting diode is lighted.
As preferably, described control circuit comprises electric capacity C and resistance R2, and electric capacity C and resistance R2 is linked to be parallel circuit, and this parallel circuit is connected between the negative pole of controllable silicon G and the input of amplifier U.
As preferably, described restorability thermal protector RT is close to the medial surface of described hand warmer bag body.The temperature that critesistor is reflected and bag surface temperature close, guarantee user catch tactile bag time the temperature felt meet heating requirement.
The beneficial effects of the utility model are: between charging rack and hand warmer bag body, adopt two core connectors to connect, reduce angle, improve contact reliability.Electromotion pilot lamp is located on charging rack, improves the sealing of hand warmer bag body, reduces potential safety hazard.
Accompanying drawing explanation
Fig. 1 is a kind of contour structures schematic diagram of hand warmer bag body in this utility model.
Fig. 2 is a kind of circuit theory syndeton block diagram of the present utility model.
1. hand warmer bag bodies in figure, 2. charging rack, 11. liang of core sockets, 21. holes plugs.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the hand warmer of the raising electrical contact reliability of the present embodiment; as shown in Figure 1 and Figure 2; comprise hand warmer bag body 1 and to the charging rack 2 of hand warmer bag body 1 electrified regulation; heating wire and restorability thermal protector RT are installed in hand warmer bag body 1; restorability thermal protector RT is close to the medial surface of hand warmer bag body 1; hand warmer bag body 1 is provided with the two core sockets 11 be connected with heating wire; the a1 pole of two core sockets 11 is connected with one end of restorability thermal protector RT, and the other end of critesistor RT is connected with heating wire.Charging rack 2 is connected with the power line that can patch civil power, charging rack 2 is provided with the holes plug 21 mated with two core sockets 11, and during work, the a1 pole of two core sockets 11, b1 pole are extremely connected with a pole of holes plug 21, b respectively.The electromotion pilot lamp of hand warmer bag body 1 is arranged on charging rack 2, in charging rack 2, control circuit is installed, control circuit comprises inductive coupler L, controllable silicon G, light emitting diode D, amplifier U, resistance R1, resistance R2 and electric capacity C, light emitting diode D is exactly electromotion pilot lamp, the positive pole of controllable silicon G is connected with the negative pole of light emitting diode D, the negative pole of controllable silicon G is connected with one end of the b pole of the holes plug 21 of charging rack 2 and the secondary coil L2 of inductive coupler L, the other end of the secondary coil L2 of inductive coupler L is connected with the input of amplifier U, the outfan of amplifier U is extremely connected with the control of controllable silicon G through resistance R1, the a pole of holes plug 21 is extremely connected with the input power A of charging rack 2 through the primary coil L1 of inductive coupler L, the b pole of holes plug 21 is extremely connected with the input power B of charging rack 2.Electric capacity C and resistance R2 is linked to be parallel circuit, and this parallel circuit is connected between the negative pole of controllable silicon G and the input of amplifier U.
During use; the a1 pole of two core sockets of hand warmer bag body, b1 pole are extremely connected with a pole of the holes plug of charging rack, b respectively; again the power line of charging rack is connected civil power; heating wire now in hand warmer bag body obtains electric heating; controlled silicon conducting; light emitting diode is lighted; along with the water temperature in bag slowly raises; restorability thermal protector works, disconnecting circuit, then light emitting diode extinguishes; simultaneously along with the rising of water temperature; bag is splashed the epirelief that rises, and the microswitch on charging rack is disconnected, and charging rack stops powering to hand warmer bag body.Because this utility model adopts two core connectors to connect between charging rack and hand warmer bag body, decrease angle, improve contact reliability, electromotion pilot lamp is located on charging rack simultaneously, therefore can guarantee the sealing property of bag, improves safety.
Claims (3)
1. one kind is improved the hand warmer of electrical contact reliability, comprise hand warmer bag body (1) and to the charging rack (2) of hand warmer bag body (1) electrified regulation, heating wire and restorability thermal protector RT is provided with in hand warmer bag body (1), charging rack (2) has the power line connecting civil power, it is characterized in that described hand warmer bag body (1) is provided with two core sockets (11), described charging rack (2) is provided with the holes plug (21) mated with two core sockets (11), the a1 pole of two core sockets (11), b1 pole respectively with a pole of holes plug (21), b is extremely connected, the a1 pole of two core sockets (11) is connected with described restorability thermal protector RT, the electromotion pilot lamp of hand warmer bag body (1) is located on described charging rack (2), charging rack is provided with control circuit in (2), control circuit comprises inductive coupler L, controllable silicon G, light emitting diode D and amplifier U, resistance R1, light emitting diode D is exactly described electromotion pilot lamp, the positive pole of controllable silicon G is connected with the negative pole of light emitting diode D, the negative pole of controllable silicon G is connected with one end of the b pole of holes plug (21) of charging rack (2) and the secondary coil L2 of inductive coupler L, the other end of the secondary coil L2 of inductive coupler L is connected with the input of amplifier U, the outfan of amplifier U is extremely connected with the control of controllable silicon G through resistance R1, the a pole of holes plug (21) is extremely connected with the input power A of charging rack (2) through the primary coil L1 of inductive coupler L, the b pole of holes plug (21) is extremely connected with the input power B of charging rack (2).
2. the hand warmer of raising electrical contact reliability according to claim 1, it is characterized in that described control circuit comprises electric capacity C and resistance R2, electric capacity C and resistance R2 is linked to be parallel circuit, and this parallel circuit is connected between the negative pole of controllable silicon G and the input of amplifier U.
3. the hand warmer of raising electrical contact reliability according to claim 1 and 2, is characterized in that described restorability thermal protector RT is close to the medial surface of described hand warmer bag body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220068.0U CN204636683U (en) | 2015-04-13 | 2015-04-13 | Improve the hand warmer of electrical contact reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220068.0U CN204636683U (en) | 2015-04-13 | 2015-04-13 | Improve the hand warmer of electrical contact reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204636683U true CN204636683U (en) | 2015-09-16 |
Family
ID=54089469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520220068.0U Expired - Fee Related CN204636683U (en) | 2015-04-13 | 2015-04-13 | Improve the hand warmer of electrical contact reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204636683U (en) |
-
2015
- 2015-04-13 CN CN201520220068.0U patent/CN204636683U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20180413 |