CN211926289U - Access control device capable of working in low-temperature environment - Google Patents
Access control device capable of working in low-temperature environment Download PDFInfo
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- CN211926289U CN211926289U CN201922344898.5U CN201922344898U CN211926289U CN 211926289 U CN211926289 U CN 211926289U CN 201922344898 U CN201922344898 U CN 201922344898U CN 211926289 U CN211926289 U CN 211926289U
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- gel layer
- temperature environment
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Abstract
The utility model belongs to the technical field of the controlgear, especially, can work at low temperature environment's access & exit controlling means, including the control box, the front of control box articulates there is the switch door, the first magnet of positive fixedly connected with of control box, the inner wall of control box is provided with constant temperature mechanism, and constant temperature mechanism is including the silica gel layer. This but access control device of work in low temperature environment, inner wall through setting up the control box is provided with constant temperature mechanism, and constant temperature mechanism is including the silica gel layer, the surface on silica gel layer and the inner wall fixed connection of control box, reached and carried out homothermal effect to the temperature of control box inside through this device, and then realize opening and closing that can not only follow freezer external control freezer door, can also follow the effect of opening and closing of freezer internal control freezer door, current freezer door closed back has been solved, when freezer inside also has the user, the inside diffuse air conditioning of freezer easily causes the problem of threat to user's life safety.
Description
Technical Field
The utility model relates to a controlgear technical field especially relates to a but access control device of work in low temperature environment.
Background
The low temperature environment refers to an environment having a temperature lower than the comfort level of a human body.
When the access control device of the existing refrigeration house is used, a designer generally arranges the control device outside the refrigeration house, so that a user can only open a door of the refrigeration house from the outside to enter the refrigeration house, and once the door of the refrigeration house is closed, the inside of the refrigeration house also has the user at present, and the diffused cold air inside the refrigeration house easily threatens the life safety of the user.
SUMMERY OF THE UTILITY MODEL
Based on current freezer door is closed the back, and the freezer is inside when the user in addition, and the inside diffuse air conditioning of freezer easily causes the technical problem of threat to user's life safety, the utility model provides a but access control device of work in low temperature environment.
The utility model provides a pair of can work access & exit controlling means at low temperature environment, the control box comprises a control box body, the front of control box articulates there is the switch door, the first magnet of positive fixedly connected with of control box, the inner wall of control box is provided with constant temperature mechanism, and constant temperature mechanism is including the silica gel layer, the surface on silica gel layer and the inner wall fixed connection of control box.
Preferably, the back of the switch door is fixedly connected with a second magnet, and the two first magnets are symmetrically distributed by taking the axis of the control box as a symmetric center;
through above-mentioned technical scheme, the switch door uses with the cooperation of second magnet, carries out the location supporting role to the second magnet.
Preferably, the front surface of the first magnet is magnetically connected with the back surfaces of the second magnets, the two second magnets are symmetrically distributed by taking the axis of the opening and closing door as a symmetric center, and silica gel is arranged inside the silica gel layer;
through above-mentioned technical scheme, first magnet and second magnet cooperation are used, and the switch door of being convenient for is because of magnetic force tightly adsorbs with the control box, carries out sealing effect.
Preferably, the inner bottom wall OF the silica gel layer is fixedly connected with a sponge block and a concave plate respectively, the inner wall OF the silica gel layer is fixedly connected with a fingerprint lock, and the type OF the fingerprint lock is M-1703-OF;
through above-mentioned technical scheme, the silica gel layer carries out dry adsorption to the inside air conditioning that has permeated into the control box, sets up the fingerprint lock and is convenient for open and close from the inside control refrigeration house door of freezer.
Preferably, a wire guide hole is formed in the front face, close to the silica gel layer, of the fingerprint lock, the front face of the concave plate is fixedly connected with a temperature control switch and a heating ring respectively, supporting blocks are uniformly distributed on the upper surface of the heating ring, and the inner wall of one end of the wire guide hole penetrates through and extends to the back face of the control box;
through above-mentioned technical scheme, the supporting shoe uses with the cooperation of heating circle, carries out the fixed stay effect to the heating circle.
Preferably, the upper surface of the supporting block is fixedly connected with the inner top wall of the silica gel layer, heating wires are arranged inside the heating ring, the heating wires are distributed inside the heating ring in a rectangular array, and heat dissipation holes are formed in the lower surface of the heating ring at equal intervals;
through above-mentioned technical scheme, the inside temperature of temperature detect switch induction control case is less than temperature detect switch settlement temperature, and control heater strip begins work, is higher than temperature detect switch settlement temperature, controls the heater strip stop work.
Preferably, the type of the temperature control switch is PY-SM5, and the temperature control switch is electrically connected with the heating wire;
through above-mentioned technical scheme, the temperature that heater strip work produced passes through the louvre with heat transfer to control box inside, and the air conditioning after the intensification drops to silica gel layer and sponge piece inside, adsorbs and is dried by silica gel layer and sponge piece.
The utility model provides a beneficial effect does:
inner wall through setting up the control box is provided with constant temperature mechanism, and constant temperature mechanism is including the silica gel layer, the surface on silica gel layer and the inner wall fixed connection of control box, reached and carried out homothermal effect to the temperature of control box inside through this device, and then realize not only can following opening and closing of freezer external control freezer door, can also follow the effect of opening and closing of freezer internal control freezer door, solved current freezer door and closed the back, when the inside user in addition of freezer, the inside diffuse air conditioning of freezer easily causes the problem of threat to user's life safety.
Drawings
FIG. 1 is a schematic view of a gateway control apparatus that can operate in a low temperature environment;
FIG. 2 is a sectional view of a heating coil structure of an access control device that can operate in a low temperature environment;
FIG. 3 is a sectional view of a control box of the access control device that can operate in a low temperature environment;
FIG. 4 is a rear view of an open/close door structure of an access control device operable in a low temperature environment;
FIG. 5 is an enlarged view of the structure of the access control device at A in FIG. 2, which can operate in a low temperature environment.
In the figure: 1. a control box; 2. opening and closing the door; 3. a first magnet; 4. a silica gel layer; 5. a second magnet; 41. a sponge block; 42. a concave plate; 43. a fingerprint lock; 44. a wire guide hole; 45. a temperature control switch; 46. heating a ring; 47. a support block; 48. heating wires; 49. and (4) heat dissipation holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, an access control device capable of working in a low-temperature environment comprises a control box 1, a switch door 2 is hinged to the front of the control box 1, a first magnet 3 is fixedly connected to the front of the control box 1, a constant temperature mechanism is arranged on the inner wall of the control box 1, the constant temperature mechanism comprises a silica gel layer 4, and the outer surface of the silica gel layer 4 is fixedly connected with the inner wall of the control box 1.
Furthermore, the back of the switch door 2 is fixedly connected with a second magnet 5, and the two first magnets 3 are symmetrically distributed by taking the axis of the control box 1 as a symmetric center;
further, through above-mentioned technical scheme, switch door 2 uses with the cooperation of second magnet 5, carries out the location support effect to second magnet 5.
Furthermore, the front surface of the first magnet 3 is magnetically connected with the back surfaces of the second magnets 5, the two second magnets 5 are symmetrically distributed by taking the axis of the switch door 2 as a symmetric center, and silica gel is arranged inside the silica gel layer 4;
further, through above-mentioned technical scheme, first magnet 3 uses with the cooperation of second magnet 5, and the switch door 2 of being convenient for is because of magnetic force tightly adsorbs with control box 1, carries out sealing action.
Further, the inner bottom wall OF the silica gel layer 4 is fixedly connected with a sponge block 41 and a concave plate 42 respectively, the inner wall OF the silica gel layer 4 is fixedly connected with a fingerprint lock 43, and the type OF the fingerprint lock 43 is Wangtong brand M-1703-OF;
further, through above-mentioned technical scheme, silica gel layer 4 carries out dry adsorption to the inside air conditioning that has permeated into control box 1, sets up fingerprint lock 43 and is convenient for open and close from the inside control refrigeration house door of refrigeration house.
Furthermore, a wire hole 44 is formed in the front surface of the fingerprint lock 43 close to the silica gel layer 4, the front surface of the concave plate 42 is fixedly connected with a temperature control switch 45 and a heating ring 46 respectively, supporting blocks 47 are uniformly distributed on the upper surface of the heating ring 46, and the inner wall of one end of the wire hole 44 penetrates through and extends to the back surface of the control box 1;
further, through the above technical solution, the supporting block 47 is used in cooperation with the heating ring 46 to fix and support the heating ring 46.
Further, the upper surface of the supporting block 47 is fixedly connected with the inner top wall of the silica gel layer 4, heating wires 48 are arranged inside the heating ring 46, the heating wires 48 are distributed inside the heating ring 46 in a rectangular array, and heat dissipation holes 49 are formed in the lower surface of the heating ring 46 at equal intervals;
further, according to the above technical scheme, the temperature control switch 45 senses the temperature inside the control box 1, the temperature is lower than the set temperature of the temperature control switch 45, the heating wire 48 is controlled to start to work, and the temperature is higher than the set temperature of the temperature control switch 45, and the heating wire 48 is controlled to stop working.
Further, the model of the temperature control switch 45 is a product benefit brand PY-SM5, and the temperature control switch 45 is electrically connected with the heating wire 48;
further, through above-mentioned technical scheme, the temperature that heater strip 48 work produced passes through louvre 49 with heat transfer to control box 1 inside, and the air conditioning after the intensification drops to silica gel layer 4 and sponge piece 41 inside, adsorbs and is dried by silica gel layer 4 and sponge piece 41.
Further, inner wall through setting up control box 1 is provided with constant temperature mechanism, and constant temperature mechanism is including silica gel layer 4, silica gel layer 4's surface and control box 1's inner wall fixed connection, reached and carried out homothermal effect to the temperature of control box 1 inside through this device, and then realize opening and closing that can not only follow freezer external control freezer door, can also follow the effect of opening and closing of freezer internal control freezer door, solved current freezer door closed back, when freezer inside still has the user, the inside diffuse air conditioning of freezer easily causes the problem of threat to user's life safety.
The working principle is as follows: step one, during installation, the control box 1 is installed inside a refrigeration house, and the fingerprint lock 43 is connected with a refrigeration house door through a wire guide hole 44, so that opening and closing of the refrigeration house door can be controlled from the outside of the refrigeration house, and opening and closing of the refrigeration house door can be controlled from the inside of the refrigeration house;
step two, after the temperature control switch 45 senses that the internal temperature of the control box 1 is lower than the set temperature of the temperature control switch 45, the heating wire 48 is controlled to start working, the temperature generated by the working of the heating wire 48 is transferred to the internal part of the control box 1 through the heat dissipation hole 49 to carry out heating work, and after the temperature control switch 45 senses that the internal temperature of the control box 1 is higher than the set temperature of the temperature control switch 45, the heating wire 48 is controlled to stop working;
and step three, finally realizing the measure of keeping the temperature inside the control box 1 constant, and avoiding the damage of cold air inside the refrigeration house to the fingerprint lock 43 and the influence on the normal use of the fingerprint lock 43.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. An access control device capable of working in a low-temperature environment, comprising a control box (1), characterized in that: the front of control box (1) articulates there is switch door (2), the first magnet (3) of front fixedly connected with of control box (1), the inner wall of control box (1) is provided with constant temperature mechanism, and constant temperature mechanism is including silica gel layer (4), the surface of silica gel layer (4) and the inner wall fixed connection of control box (1).
2. The access control device operable in a low temperature environment of claim 1, wherein: the back fixedly connected with second magnet (5) of switch door (2), two first magnet (3) are the symmetric distribution for the symmetry center with the axis of control box (1).
3. The access control device operable in a low temperature environment of claim 2, wherein: the front of first magnet (3) is connected with the back magnetism of second magnet (5), two second magnet (5) use the axis of switch door (2) to be the symmetric distribution as the center of symmetry, the inside of silica gel layer (4) is provided with silica gel.
4. The access control device operable in a low temperature environment of claim 1, wherein: the inner wall OF the silica gel layer (4) is fixedly connected with a sponge block (41) and a concave plate (42) respectively, the inner wall OF the silica gel layer (4) is fixedly connected with a fingerprint lock (43), and the fingerprint lock (43) is M-1703-OF in model.
5. The access control device operable in a low temperature environment of claim 4, wherein: fingerprint lock (43) are close to the front of silica gel layer (4) and have been seted up wire guide (44), the front of concave plate (42) is fixedly connected with temperature detect switch (45) and heating circle (46) respectively, the upper surface evenly distributed of heating circle (46) has supporting shoe (47), the one end inner wall of wire guide (44) link up and extend to the back of control box (1).
6. The access control device operable in a low temperature environment of claim 5, wherein: the upper surface of supporting shoe (47) and the interior roof fixed connection of silica gel layer (4), the inside of heating circle (46) is provided with heater strip (48), heater strip (48) are the rectangular array and distribute in the inside of heating circle (46), louvre (49) have been seted up to the lower surface of heating circle (46) equidistant.
7. The access control device operable in a low temperature environment of claim 6, wherein: the type of temperature detect switch (45) is PY-SM5, temperature detect switch (45) and heater strip (48) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922344898.5U CN211926289U (en) | 2019-12-24 | 2019-12-24 | Access control device capable of working in low-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922344898.5U CN211926289U (en) | 2019-12-24 | 2019-12-24 | Access control device capable of working in low-temperature environment |
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| CN211926289U true CN211926289U (en) | 2020-11-13 |
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| CN201922344898.5U Active CN211926289U (en) | 2019-12-24 | 2019-12-24 | Access control device capable of working in low-temperature environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164491A (en) * | 2022-09-09 | 2022-10-11 | 江苏精英冷暖设备工程有限公司 | Can adjust cold air drying device of suction scope |
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2019
- 2019-12-24 CN CN201922344898.5U patent/CN211926289U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164491A (en) * | 2022-09-09 | 2022-10-11 | 江苏精英冷暖设备工程有限公司 | Can adjust cold air drying device of suction scope |
| CN115164491B (en) * | 2022-09-09 | 2022-11-08 | 江苏精英冷暖设备工程有限公司 | Can adjust air conditioning drying device of suction scope |
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